142589672 has 8 divisors (see below), whose sum is σ = 267355650. Its totient is φ = 71294832.

The previous prime is 142589653. The next prime is 142589683. The reversal of 142589672 is 276985241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 10201636 = 11506^2 + 3194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×142589672² = 40663629122135168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8911847 + ... + 8911862.

Almost surely, 2^142589672 is an apocalyptic number.

It is an amenable number.

142589672 is a deficient number, since it is larger than the sum of its proper divisors (124765978).

142589672 is a wasteful number, since it uses less digits than its factorization.

142589672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823715 (or 17823711 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 142589672 is about 11941.0917423827. The cubic root of 142589672 is about 522.4315022039.

The spelling of 142589672 in words is "one hundred forty-two million, five hundred eighty-nine thousand, six hundred seventy-two".