142657640930 has 32 divisors (see below), whose sum is σ = 293487874560. Its totient is φ = 48907736640.

The previous prime is 142657640843. The next prime is 142657640941. The reversal of 142657640930 is 39046756241.

142657640930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142657640930² (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, 1050320 + ... + 1178340.

It is an arithmetic number, because the mean of its divisors is an integer number (9171496080).

Almost surely, 2^142657640930 is an apocalyptic number.

142657640930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142657640930 is an abundant number, since it is smaller than the sum of its proper divisors (150830233630).

142657640930 is a wasteful number, since it uses less digits than its factorization.

142657640930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143954.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 142657640930 in words is "one hundred forty-two billion, six hundred fifty-seven million, six hundred forty thousand, nine hundred thirty".