142234974 has 32 divisors (see below), whose sum is σ = 361232640. Its totient is φ = 40638456.

The previous prime is 142234949. The next prime is 142234979. The reversal of 142234974 is 479432241.

142234974 is a `hidden beast` number, since 142 + 23 + 497 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187764 + ... + 188519.

It is an arithmetic number, because the mean of its divisors is an integer number (11288520).

Almost surely, 2^142234974 is an apocalyptic number.

142234974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142234974 is an abundant number, since it is smaller than the sum of its proper divisors (218997666).

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

142234974 is a wasteful number, since it uses less digits than its factorization.

142234974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376301 (or 376295 counting only the distinct ones).

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

The square root of 142234974 is about 11926.2305025519. The cubic root of 142234974 is about 521.9979521653.

The spelling of 142234974 in words is "one hundred forty-two million, two hundred thirty-four thousand, nine hundred seventy-four".