142894156 has 6 divisors (see below), whose sum is σ = 250064780. Its totient is φ = 71447076.

The previous prime is 142894153. The next prime is 142894181. The reversal of 142894156 is 651498241.

It is not an unprimeable number, because it can be changed into a prime (142894153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17861766 + ... + 17861773.

Almost surely, 2^142894156 is an apocalyptic number.

It is an amenable number.

142894156 is a deficient number, since it is larger than the sum of its proper divisors (107170624).

142894156 is a wasteful number, since it uses less digits than its factorization.

142894156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35723543 (or 35723541 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 142894156 is about 11953.8343639185. The cubic root of 142894156 is about 522.8031021445.

The spelling of 142894156 in words is "one hundred forty-two million, eight hundred ninety-four thousand, one hundred fifty-six".