142901140 has 24 divisors (see below), whose sum is σ = 300623400. Its totient is φ = 57059328.

The previous prime is 142901137. The next prime is 142901153. The reversal of 142901140 is 41109241.

It can be written as a sum of positive squares in 4 ways, for example, as 30074256 + 112826884 = 5484^2 + 10622^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5836 + ... + 17884.

It is an arithmetic number, because the mean of its divisors is an integer number (12525975).

Almost surely, 2^142901140 is an apocalyptic number.

142901140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142901140 is an abundant number, since it is smaller than the sum of its proper divisors (157722260).

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

142901140 is a wasteful number, since it uses less digits than its factorization.

142901140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651 (or 12649 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 142901140 is about 11954.1264841895. The cubic root of 142901140 is about 522.8116193983.

The spelling of 142901140 in words is "one hundred forty-two million, nine hundred one thousand, one hundred forty".