145074544 has 20 divisors (see below), whose sum is σ = 290150080. Its totient is φ = 70197120.

The previous prime is 145074499. The next prime is 145074551. The reversal of 145074544 is 445470541.

145074544 is an admirable number.

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, 145749 + ... + 146740.

It is an arithmetic number, because the mean of its divisors is an integer number (14507504).

Almost surely, 2^145074544 is an apocalyptic number.

It is an amenable number.

145074544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145074544 is a wasteful number, since it uses less digits than its factorization.

145074544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292528 (or 292522 counting only the distinct ones).

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

The square root of 145074544 is about 12044.6894522026. The cubic root of 145074544 is about 525.4488002062.

The spelling of 145074544 in words is "one hundred forty-five million, seventy-four thousand, five hundred forty-four".