144572452 has 6 divisors (see below), whose sum is σ = 253001798. Its totient is φ = 72286224.

The previous prime is 144572443. The next prime is 144572507. The reversal of 144572452 is 254275441.

It can be written as a sum of positive squares in only one way, i.e., 132848676 + 11723776 = 11526^2 + 3424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18071553 + ... + 18071560.

Almost surely, 2^144572452 is an apocalyptic number.

It is an amenable number.

144572452 is a deficient number, since it is larger than the sum of its proper divisors (108429346).

144572452 is a wasteful number, since it uses less digits than its factorization.

144572452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36143117 (or 36143115 counting only the distinct ones).

The product of its digits is 44800, while the sum is 34.

The square root of 144572452 is about 12023.8285084244. The cubic root of 144572452 is about 524.8419200555.

The spelling of 144572452 in words is "one hundred forty-four million, five hundred seventy-two thousand, four hundred fifty-two".