974143242 has 48 divisors (see below), whose sum is σ = 2253670848. Its totient is φ = 303367680.

The previous prime is 974143237. The next prime is 974143259. The reversal of 974143242 is 242341479.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 974143197 and 974143206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9559 + ... + 45162.

It is an arithmetic number, because the mean of its divisors is an integer number (46951476).

Almost surely, 2^974143242 is an apocalyptic number.

974143242 is an abundant number, since it is smaller than the sum of its proper divisors (1279527606).

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

974143242 is a wasteful number, since it uses less digits than its factorization.

974143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54795 (or 54792 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 974143242 is about 31211.2678691526. The cubic root of 974143242 is about 991.3057090405.

The spelling of 974143242 in words is "nine hundred seventy-four million, one hundred forty-three thousand, two hundred forty-two".