144725572 has 24 divisors (see below), whose sum is σ = 260997912. Its totient is φ = 70176000.

The previous prime is 144725557. The next prime is 144725587. The reversal of 144725572 is 275527441.

It is an interprime number because it is at equal distance from previous prime (144725557) and next prime (144725587).

It can be written as a sum of positive squares in 4 ways, for example, as 148996 + 144576576 = 386^2 + 12024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25822 + ... + 30922.

It is an arithmetic number, because the mean of its divisors is an integer number (10874913).

Almost surely, 2^144725572 is an apocalyptic number.

It is an amenable number.

144725572 is a deficient number, since it is larger than the sum of its proper divisors (116272340).

144725572 is a wasteful number, since it uses less digits than its factorization.

144725572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319 (or 5317 counting only the distinct ones).

The product of its digits is 78400, while the sum is 37.

The square root of 144725572 is about 12030.1941796465. The cubic root of 144725572 is about 525.0271453840.

The spelling of 144725572 in words is "one hundred forty-four million, seven hundred twenty-five thousand, five hundred seventy-two".