145225524 has 12 divisors (see below), whose sum is σ = 338859584. Its totient is φ = 48408504.

The previous prime is 145225439. The next prime is 145225541. The reversal of 145225524 is 425522541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 145225491 and 145225500.

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, 6051052 + ... + 6051075.

Almost surely, 2^145225524 is an apocalyptic number.

It is an amenable number.

145225524 is an abundant number, since it is smaller than the sum of its proper divisors (193634060).

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

145225524 is a wasteful number, since it uses less digits than its factorization.

145225524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102134 (or 12102132 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 145225524 is about 12050.9553148288. The cubic root of 145225524 is about 525.6310163117.

The spelling of 145225524 in words is "one hundred forty-five million, two hundred twenty-five thousand, five hundred twenty-four".