142874459 has 48 divisors (see below), whose sum is σ = 189734400. Its totient is φ = 105101568.

The previous prime is 142874453. The next prime is 142874467. The reversal of 142874459 is 954478241.

It is not a de Polignac number, because 142874459 - 2⁸ = 142874203 is a prime.

It is a super-2 number, since 2×142874459² = 40826222069085362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142874453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1605287 + ... + 1605375.

It is an arithmetic number, because the mean of its divisors is an integer number (3952800).

Almost surely, 2^142874459 is an apocalyptic number.

142874459 is a deficient number, since it is larger than the sum of its proper divisors (46859941).

142874459 is a wasteful number, since it uses less digits than its factorization.

142874459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 191 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 142874459 is about 11953.0104576211. The cubic root of 142874459 is about 522.7790794082.

The spelling of 142874459 in words is "one hundred forty-two million, eight hundred seventy-four thousand, four hundred fifty-nine".