142945874 has 16 divisors (see below), whose sum is σ = 229791168. Its totient is φ = 66516912.

The previous prime is 142945861. The next prime is 142945883. The reversal of 142945874 is 478549241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40292 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (14361948).

Almost surely, 2^142945874 is an apocalyptic number.

142945874 is a deficient number, since it is larger than the sum of its proper divisors (86845294).

142945874 is a wasteful number, since it uses less digits than its factorization.

142945874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84049.

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

The square root of 142945874 is about 11955.9974071593. The cubic root of 142945874 is about 522.8661676335.

The spelling of 142945874 in words is "one hundred forty-two million, nine hundred forty-five thousand, eight hundred seventy-four".