145884872 has 16 divisors (see below), whose sum is σ = 312610560. Its totient is φ = 62522064.

The previous prime is 145884859. The next prime is 145884881. The reversal of 145884872 is 278488541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302488 + ... + 1302599.

It is an arithmetic number, because the mean of its divisors is an integer number (19538160).

Almost surely, 2^145884872 is an apocalyptic number.

It is an amenable number.

145884872 is an abundant number, since it is smaller than the sum of its proper divisors (166725688).

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

145884872 is a wasteful number, since it uses less digits than its factorization.

145884872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605100 (or 2605096 counting only the distinct ones).

The product of its digits is 573440, while the sum is 47.

The square root of 145884872 is about 12078.2810035203. The cubic root of 145884872 is about 526.4252995019.

It can be divided in two parts, 1458 and 84872, that multiplied together give a square (123743376 = 11124²).

The spelling of 145884872 in words is "one hundred forty-five million, eight hundred eighty-four thousand, eight hundred seventy-two".