145631708 has 12 divisors (see below), whose sum is σ = 257238072. Its totient is φ = 72135120.

The previous prime is 145631693. The next prime is 145631719. The reversal of 145631708 is 807136541.

145631708 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, 169703 + ... + 170558.

It is an arithmetic number, because the mean of its divisors is an integer number (21436506).

Almost surely, 2^145631708 is an apocalyptic number.

It is an amenable number.

145631708 is a deficient number, since it is larger than the sum of its proper divisors (111606364).

145631708 is a wasteful number, since it uses less digits than its factorization.

145631708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340372 (or 340370 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 145631708 is about 12067.7963191297. The cubic root of 145631708 is about 526.1206092370.

The spelling of 145631708 in words is "one hundred forty-five million, six hundred thirty-one thousand, seven hundred eight".