142253380 has 24 divisors (see below), whose sum is σ = 314455680. Its totient is φ = 53906400.

The previous prime is 142253369. The next prime is 142253401. The reversal of 142253380 is 83352241.

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, 186796 + ... + 187555.

It is an arithmetic number, because the mean of its divisors is an integer number (13102320).

Almost surely, 2^142253380 is an apocalyptic number.

142253380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142253380 is an abundant number, since it is smaller than the sum of its proper divisors (172202300).

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

142253380 is a wasteful number, since it uses less digits than its factorization.

142253380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374379 (or 374377 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 142253380 is about 11927.0021380060. The cubic root of 142253380 is about 522.0204676776.

The spelling of 142253380 in words is "one hundred forty-two million, two hundred fifty-three thousand, three hundred eighty".