145056725 has 24 divisors (see below), whose sum is σ = 196782048. Its totient is φ = 105195200.

The previous prime is 145056721. The next prime is 145056727. The reversal of 145056725 is 527650541.

145056725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145056725 - 2² = 145056721 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145056721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152702 + ... + 153648.

It is an arithmetic number, because the mean of its divisors is an integer number (8199252).

Almost surely, 2^145056725 is an apocalyptic number.

It is an amenable number.

145056725 is a deficient number, since it is larger than the sum of its proper divisors (51725323).

145056725 is a wasteful number, since it uses less digits than its factorization.

145056725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 145056725 is about 12043.9497258997. The cubic root of 145056725 is about 525.4272863112.

The spelling of 145056725 in words is "one hundred forty-five million, fifty-six thousand, seven hundred twenty-five".