142321074 has 64 divisors (see below), whose sum is σ = 332107776. Its totient is φ = 39824064.

The previous prime is 142321043. The next prime is 142321103. The reversal of 142321074 is 470123241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722344 + ... + 722540.

It is an arithmetic number, because the mean of its divisors is an integer number (5189184).

Almost surely, 2^142321074 is an apocalyptic number.

142321074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142321074 is an abundant number, since it is smaller than the sum of its proper divisors (189786702).

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

142321074 is a wasteful number, since it uses less digits than its factorization.

142321074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142321074 is about 11929.8396468687. The cubic root of 142321074 is about 522.1032590312.

The spelling of 142321074 in words is "one hundred forty-two million, three hundred twenty-one thousand, seventy-four".