145364931 has 12 divisors (see below), whose sum is σ = 210717208. Its totient is φ = 96565824.

The previous prime is 145364929. The next prime is 145364951. The reversal of 145364931 is 139463541.

145364931 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 649 + 3 + 1 = 666.

It is not a de Polignac number, because 145364931 - 2¹ = 145364929 is a prime.

It is a super-2 number, since 2×145364931² = 42261926329269522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145364951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25990 + ... + 31083.

Almost surely, 2^145364931 is an apocalyptic number.

145364931 is a deficient number, since it is larger than the sum of its proper divisors (65352277).

145364931 is a wasteful number, since it uses less digits than its factorization.

145364931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57362 (or 57359 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 145364931 is about 12056.7379916792. The cubic root of 145364931 is about 525.7991529832.

The spelling of 145364931 in words is "one hundred forty-five million, three hundred sixty-four thousand, nine hundred thirty-one".