145724524 has 12 divisors (see below), whose sum is σ = 278201448. Its totient is φ = 66238400.

The previous prime is 145724497. The next prime is 145724539. The reversal of 145724524 is 425427541.

145724524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145724524.

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, 1655917 + ... + 1656004.

It is an arithmetic number, because the mean of its divisors is an integer number (23183454).

Almost surely, 2^145724524 is an apocalyptic number.

It is an amenable number.

145724524 is a deficient number, since it is larger than the sum of its proper divisors (132476924).

145724524 is a wasteful number, since it uses less digits than its factorization.

145724524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311936 (or 3311934 counting only the distinct ones).

The product of its digits is 44800, while the sum is 34.

The square root of 145724524 is about 12071.6413134254. The cubic root of 145724524 is about 526.2323569706.

The spelling of 145724524 in words is "one hundred forty-five million, seven hundred twenty-four thousand, five hundred twenty-four".