145870569394 has 32 divisors (see below), whose sum is σ = 243024359040. Its totient is φ = 65110780800.

The previous prime is 145870569367. The next prime is 145870569413. The reversal of 145870569394 is 493965078541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169459 + ... + 566089.

It is an arithmetic number, because the mean of its divisors is an integer number (7594511220).

Almost surely, 2^145870569394 is an apocalyptic number.

145870569394 is a deficient number, since it is larger than the sum of its proper divisors (97153789646).

145870569394 is a wasteful number, since it uses less digits than its factorization.

145870569394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396946.

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 145870569394 in words is "one hundred forty-five billion, eight hundred seventy million, five hundred sixty-nine thousand, three hundred ninety-four".