142577452 has 6 divisors (see below), whose sum is σ = 249510548. Its totient is φ = 71288724.

The previous prime is 142577423. The next prime is 142577467. The reversal of 142577452 is 254775241.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17822178 + ... + 17822185.

Almost surely, 2^142577452 is an apocalyptic number.

It is an amenable number.

142577452 is a deficient number, since it is larger than the sum of its proper divisors (106933096).

142577452 is a wasteful number, since it uses less digits than its factorization.

142577452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35644367 (or 35644365 counting only the distinct ones).

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

The square root of 142577452 is about 11940.5800529120. The cubic root of 142577452 is about 522.4165775715.

The spelling of 142577452 in words is "one hundred forty-two million, five hundred seventy-seven thousand, four hundred fifty-two".