145888715 has 16 divisors (see below), whose sum is σ = 201190080. Its totient is φ = 99480960.

The previous prime is 145888703. The next prime is 145888733. The reversal of 145888715 is 517888541.

It is not a de Polignac number, because 145888715 - 2²⁰ = 144840139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145888715.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5180 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (12574380).

Almost surely, 2^145888715 is an apocalyptic number.

145888715 is a deficient number, since it is larger than the sum of its proper divisors (55301365).

145888715 is a wasteful number, since it uses less digits than its factorization.

145888715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23222.

The product of its digits is 358400, while the sum is 47.

The square root of 145888715 is about 12078.4400896805. The cubic root of 145888715 is about 526.4299219475.

The spelling of 145888715 in words is "one hundred forty-five million, eight hundred eighty-eight thousand, seven hundred fifteen".