142961572 has 24 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 65609376.

The previous prime is 142961563. The next prime is 142961591. The reversal of 142961572 is 275169241.

It is a super-2 number, since 2×142961572² = 40876022137422368, which contains 22 as substring.

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, 1629 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (11289600).

Almost surely, 2^142961572 is an apocalyptic number.

It is an amenable number.

142961572 is a deficient number, since it is larger than the sum of its proper divisors (127988828).

142961572 is a wasteful number, since it uses less digits than its factorization.

142961572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555 (or 15553 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 142961572 is about 11956.6538797441. The cubic root of 142961572 is about 522.8853069353.

It can be divided in two parts, 1429 and 61572, that added together give a square (63001 = 251²).

The spelling of 142961572 in words is "one hundred forty-two million, nine hundred sixty-one thousand, five hundred seventy-two".