145713057 has 32 divisors (see below), whose sum is σ = 230307840. Its totient is φ = 80215680.

The previous prime is 145713047. The next prime is 145713077. The reversal of 145713057 is 750317541.

It is not a de Polignac number, because 145713057 - 2¹⁴ = 145696673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145713047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70444 + ... + 72482.

It is an arithmetic number, because the mean of its divisors is an integer number (7197120).

Almost surely, 2^145713057 is an apocalyptic number.

It is an amenable number.

145713057 is a deficient number, since it is larger than the sum of its proper divisors (84594783).

145713057 is a wasteful number, since it uses less digits than its factorization.

145713057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 145713057 is about 12071.1663479549. The cubic root of 145713057 is about 526.2185536094.

The spelling of 145713057 in words is "one hundred forty-five million, seven hundred thirteen thousand, fifty-seven".