142670456 has 16 divisors (see below), whose sum is σ = 267784440. Its totient is φ = 71261280.

The previous prime is 142670371. The next prime is 142670467. The reversal of 142670456 is 654076241.

142670456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 16901.

Almost surely, 2^142670456 is an apocalyptic number.

It is an amenable number.

142670456 is a deficient number, since it is larger than the sum of its proper divisors (125113984).

142670456 is a wasteful number, since it uses less digits than its factorization.

142670456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18494 (or 18490 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 142670456 is about 11944.4738686976. The cubic root of 142670456 is about 522.5301445487.

The spelling of 142670456 in words is "one hundred forty-two million, six hundred seventy thousand, four hundred fifty-six".