145346510056 has 32 divisors (see below), whose sum is σ = 298632902400. Its totient is φ = 65770323840.

The previous prime is 145346509999. The next prime is 145346510081. The reversal of 145346510056 is 650015643541.

It is a happy number.

It is a super-2 number, since 2×145346510056² (a number of 23 digits) 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, 3683661 + ... + 3722908.

It is an arithmetic number, because the mean of its divisors is an integer number (9332278200).

Almost surely, 2^145346510056 is an apocalyptic number.

It is an amenable number.

145346510056 is an abundant number, since it is smaller than the sum of its proper divisors (153286392344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145346510056 is a wasteful number, since it uses less digits than its factorization.

145346510056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406809 (or 7406805 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 145346510056 in words is "one hundred forty-five billion, three hundred forty-six million, five hundred ten thousand, fifty-six".