145444732 has 12 divisors (see below), whose sum is σ = 265594896. Its totient is φ = 69560480.

The previous prime is 145444727. The next prime is 145444759. The reversal of 145444732 is 237444541.

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, 790369 + ... + 790552.

It is an arithmetic number, because the mean of its divisors is an integer number (22132908).

Almost surely, 2^145444732 is an apocalyptic number.

It is an amenable number.

145444732 is a deficient number, since it is larger than the sum of its proper divisors (120150164).

145444732 is a wasteful number, since it uses less digits than its factorization.

145444732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580948 (or 1580946 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 145444732 is about 12060.0469319153. The cubic root of 145444732 is about 525.8953513857.

The spelling of 145444732 in words is "one hundred forty-five million, four hundred forty-four thousand, seven hundred thirty-two".