725153145 has 32 divisors (see below), whose sum is σ = 1225159680. Its totient is φ = 365238720.

The previous prime is 725153141. The next prime is 725153159. The reversal of 725153145 is 541351527.

It is not a de Polignac number, because 725153145 - 2² = 725153141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725153141) 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, 90492 + ... + 98178.

It is an arithmetic number, because the mean of its divisors is an integer number (38286240).

Almost surely, 2^725153145 is an apocalyptic number.

It is an amenable number.

725153145 is a deficient number, since it is larger than the sum of its proper divisors (500006535).

725153145 is a wasteful number, since it uses less digits than its factorization.

725153145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045.

The product of its digits is 21000, while the sum is 33.

The square root of 725153145 is about 26928.6677167661. The cubic root of 725153145 is about 898.4141393467.

The spelling of 725153145 in words is "seven hundred twenty-five million, one hundred fifty-three thousand, one hundred forty-five".