145888884 has 24 divisors (see below), whose sum is σ = 378230720. Its totient is φ = 48629592.

The previous prime is 145888843. The next prime is 145888903. The reversal of 145888884 is 488888541.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 145888884.

It is a congruent number.

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, 675304 + ... + 675519.

Almost surely, 2^145888884 is an apocalyptic number.

It is an amenable number.

145888884 is an abundant number, since it is smaller than the sum of its proper divisors (232341836).

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

145888884 is a wasteful number, since it uses less digits than its factorization.

145888884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350836 (or 1350828 counting only the distinct ones).

The product of its digits is 2621440, while the sum is 54.

The square root of 145888884 is about 12078.4470856149. The cubic root of 145888884 is about 526.4301252226.

The spelling of 145888884 in words is "one hundred forty-five million, eight hundred eighty-eight thousand, eight hundred eighty-four".