142927974 has 48 divisors (see below), whose sum is σ = 355829760. Its totient is φ = 40615920.

The previous prime is 142927963. The next prime is 142927991. The reversal of 142927974 is 479729241.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 21097 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (7413120).

Almost surely, 2^142927974 is an apocalyptic number.

142927974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142927974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177914880).

142927974 is an abundant number, since it is smaller than the sum of its proper divisors (212901786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142927974 is a wasteful number, since it uses less digits than its factorization.

142927974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145 (or 6142 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 142927974 is about 11955.2488054411. The cubic root of 142927974 is about 522.8443419013.

It can be divided in two parts, 1429 and 27974, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 142927974 in words is "one hundred forty-two million, nine hundred twenty-seven thousand, nine hundred seventy-four".