145530524 has 12 divisors (see below), whose sum is σ = 255648624. Its totient is φ = 72488064.

The previous prime is 145530493. The next prime is 145530551. The reversal of 145530524 is 425035541.

145530524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 68117 + ... + 70220.

It is an arithmetic number, because the mean of its divisors is an integer number (21304052).

Almost surely, 2^145530524 is an apocalyptic number.

It is an amenable number.

145530524 is a deficient number, since it is larger than the sum of its proper divisors (110118100).

145530524 is a wasteful number, since it uses less digits than its factorization.

145530524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138604 (or 138602 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145530524 is about 12063.6032759702. The cubic root of 145530524 is about 525.9987325698.

The spelling of 145530524 in words is "one hundred forty-five million, five hundred thirty thousand, five hundred twenty-four".