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145125312410 = 251365311931433
BaseRepresentation
bin1000011100101000100…
…1001000011110011010
3111212121000212201121202
42013022021020132122
54334204034444120
6150400351034202
713325224542041
oct2071211103632
9455530781552
10145125312410
1156602501221
122416220b962
13108ba687830
14704a1cd558
153b95b7c875
hex21ca24879a

145125312410 has 64 divisors (see below), whose sum is σ = 282183598368. Its totient is φ = 53420519424.

The previous prime is 145125312401. The next prime is 145125312419. The reversal of 145125312410 is 14213521541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145125312401) and next prime (145125312419).

It can be written as a sum of positive squares in 16 ways, for example, as 4251952849 + 140873359561 = 65207^2 + 375331^2 .

It is a super-2 number, since 2×1451253124102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145125312419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101273054 + ... + 101274486.

Almost surely, 2145125312410 is an apocalyptic number.

145125312410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145125312410 is a deficient number, since it is larger than the sum of its proper divisors (137058285958).

145125312410 is a wasteful number, since it uses less digits than its factorization.

145125312410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 145125312410 its reverse (14213521541), we get a palindrome (159338833951).

The spelling of 145125312410 in words is "one hundred forty-five billion, one hundred twenty-five million, three hundred twelve thousand, four hundred ten".

Divisors: 1 2 5 10 13 26 65 130 653 1193 1306 1433 2386 2866 3265 5965 6530 7165 8489 11930 14330 15509 16978 18629 31018 37258 42445 77545 84890 93145 155090 186290 779029 935749 1558058 1709569 1871498 3419138 3895145 4678745 7790290 8547845 9357490 10127377 12164737 17095690 20254754 22224397 24329474 44448794 50636885 60823685 101273770 111121985 121647370 222243970 1116348557 2232697114 5581742785 11163485570 14512531241 29025062482 72562656205 145125312410