145887324 has 24 divisors (see below), whose sum is σ = 371349888. Its totient is φ = 44208240.

The previous prime is 145887283. The next prime is 145887397. The reversal of 145887324 is 423788541.

It is a super-2 number, since 2×145887324² = 42566222607761952, which contains 22 as substring.

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, 552472 + ... + 552735.

It is an arithmetic number, because the mean of its divisors is an integer number (15472912).

Almost surely, 2^145887324 is an apocalyptic number.

It is an amenable number.

145887324 is an abundant number, since it is smaller than the sum of its proper divisors (225462564).

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

145887324 is a wasteful number, since it uses less digits than its factorization.

145887324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105225 (or 1105223 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 145887324 is about 12078.3825076042. The cubic root of 145887324 is about 526.4282488312.

It can be divided in two parts, 14588 and 7324, that added together give a palindrome (21912).

The spelling of 145887324 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, three hundred twenty-four".