142507304 has 8 divisors (see below), whose sum is σ = 267201210. Its totient is φ = 71253648.

The previous prime is 142507291. The next prime is 142507327. The reversal of 142507304 is 403705241.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 32467204 = 10490^2 + 5698^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8906699 + ... + 8906714.

Almost surely, 2^142507304 is an apocalyptic number.

It is an amenable number.

142507304 is a deficient number, since it is larger than the sum of its proper divisors (124693906).

142507304 is a wasteful number, since it uses less digits than its factorization.

142507304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813419 (or 17813415 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 142507304 is about 11937.6423132878. The cubic root of 142507304 is about 522.3308873280.

The spelling of 142507304 in words is "one hundred forty-two million, five hundred seven thousand, three hundred four".