142949957274 has 32 divisors (see below), whose sum is σ = 319689944640. Its totient is φ = 47346479856.

The previous prime is 142949957141. The next prime is 142949957287. The reversal of 142949957274 is 472759949241.

142949957274 is a `hidden beast` number, since 1 + 4 + 2 + 9 + 499 + 5 + 72 + 74 = 666.

142949957274 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142949957274² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8422164 + ... + 8439119.

It is an arithmetic number, because the mean of its divisors is an integer number (9990310770).

Almost surely, 2^142949957274 is an apocalyptic number.

142949957274 is an abundant number, since it is smaller than the sum of its proper divisors (176739987366).

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

142949957274 is a wasteful number, since it uses less digits than its factorization.

142949957274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861451 (or 16861445 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 142949957274 in words is "one hundred forty-two billion, nine hundred forty-nine million, nine hundred fifty-seven thousand, two hundred seventy-four".