145569688705 has 48 divisors (see below), whose sum is σ = 212407061760. Its totient is φ = 93799369728.

The previous prime is 145569688699. The next prime is 145569688717. The reversal of 145569688705 is 507886965541.

It is not a de Polignac number, because 145569688705 - 2⁹ = 145569688193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6594076 + ... + 6616114.

It is an arithmetic number, because the mean of its divisors is an integer number (4425147120).

Almost surely, 2^145569688705 is an apocalyptic number.

It is an amenable number.

145569688705 is a deficient number, since it is larger than the sum of its proper divisors (66837373055).

145569688705 is a wasteful number, since it uses less digits than its factorization.

145569688705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22738 (or 22721 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 64.

The spelling of 145569688705 in words is "one hundred forty-five billion, five hundred sixty-nine million, six hundred eighty-eight thousand, seven hundred five".