145137704 has 32 divisors (see below), whose sum is σ = 295180200. Its totient is φ = 66631680.

The previous prime is 145137697. The next prime is 145137709. The reversal of 145137704 is 407731541.

It can be written as a sum of positive squares in 4 ways, for example, as 67732900 + 77404804 = 8230^2 + 8798^2 .

It is not an unprimeable number, because it can be changed into a prime (145137709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7439 + ... + 18590.

Almost surely, 2^145137704 is an apocalyptic number.

It is an amenable number.

145137704 is an abundant number, since it is smaller than the sum of its proper divisors (150042496).

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

145137704 is a wasteful number, since it uses less digits than its factorization.

145137704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26093 (or 26089 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 145137704 is about 12047.3110692801. The cubic root of 145137704 is about 525.5250426912.

The spelling of 145137704 in words is "one hundred forty-five million, one hundred thirty-seven thousand, seven hundred four".