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145274583476 = 221116971945607
BaseRepresentation
bin1000011101001100001…
…0100011100110110100
3111212222102202111000202
42013103002203212310
54340010243132401
6150423242300032
713332016404461
oct2072302434664
9455872674022
10145274583476
1156679795840
12241a41b7618
131091258c9c9
147061d68668
153ba3d1606b
hex21d30a39b4

145274583476 has 24 divisors (see below), whose sum is σ = 277505960256. Its totient is φ = 65994955520.

The previous prime is 145274583473. The next prime is 145274583491. The reversal of 145274583476 is 674385472541.

It is a happy number.

It is a super-2 number, since 2×1452745834762 (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145274583473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898136 + ... + 1047471.

It is an arithmetic number, because the mean of its divisors is an integer number (11562748344).

Almost surely, 2145274583476 is an apocalyptic number.

It is an amenable number.

145274583476 is a deficient number, since it is larger than the sum of its proper divisors (132231376780).

145274583476 is a wasteful number, since it uses less digits than its factorization.

145274583476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947319 (or 1947317 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 56.

The spelling of 145274583476 in words is "one hundred forty-five billion, two hundred seventy-four million, five hundred eighty-three thousand, four hundred seventy-six".

Divisors: 1 2 4 11 22 44 1697 3394 6788 18667 37334 74668 1945607 3891214 7782428 21401677 42803354 85606708 3301695079 6603390158 13206780316 36318645869 72637291738 145274583476