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145341145 = 5109266681
BaseRepresentation
bin10001010100110…
…11101011011001
3101010111002120101
420222123223121
5244201404040
622231055401
73413244055
oct1052335331
9333432511
10145341145
117504aa54
1240811561
132415a4a1
1415434c65
15cb5e09a
hex8a9bad9

145341145 has 8 divisors (see below), whose sum is σ = 176010120. Its totient is φ = 115205760.

The previous prime is 145341139. The next prime is 145341167. The reversal of 145341145 is 541143541.

It can be written as a sum of positive squares in 4 ways, for example, as 33489369 + 111851776 = 5787^2 + 10576^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145341145 - 223 = 136952537 is a prime.

It is a super-2 number, since 2×1453411452 = 42248096859822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132796 + ... + 133885.

It is an arithmetic number, because the mean of its divisors is an integer number (22001265).

Almost surely, 2145341145 is an apocalyptic number.

It is an amenable number.

145341145 is a deficient number, since it is larger than the sum of its proper divisors (30668975).

145341145 is a wasteful number, since it uses less digits than its factorization.

145341145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266795.

The product of its digits is 4800, while the sum is 28.

The square root of 145341145 is about 12055.7515319452. The cubic root of 145341145 is about 525.7704726571.

Adding to 145341145 its reverse (541143541), we get a palindrome (686484686).

The spelling of 145341145 in words is "one hundred forty-five million, three hundred forty-one thousand, one hundred forty-five".

Divisors: 1 5 109 545 266681 1333405 29068229 145341145