145290363831 has 12 divisors (see below), whose sum is σ = 212996156152. Its totient is φ = 95414566896.

The previous prime is 145290363787. The next prime is 145290363901. The reversal of 145290363831 is 138363092541.

145290363831 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 9 + 0 + 3 + 638 + 3 + 1 = 666.

It is not a de Polignac number, because 145290363831 - 2²² = 145286169527 is a prime.

It is a super-2 number, since 2×145290363831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145290363431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120472336 + ... + 120473541.

Almost surely, 2^145290363831 is an apocalyptic number.

145290363831 is a deficient number, since it is larger than the sum of its proper divisors (67705792321).

145290363831 is a wasteful number, since it uses less digits than its factorization.

145290363831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240945950 (or 240945947 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 145290363831 in words is "one hundred forty-five billion, two hundred ninety million, three hundred sixty-three thousand, eight hundred thirty-one".