142451300 has 18 divisors (see below), whose sum is σ = 309119538. Its totient is φ = 56980480.

The previous prime is 142451273. The next prime is 142451317. The reversal of 142451300 is 3154241.

It can be written as a sum of positive squares in 3 ways, for example, as 984064 + 141467236 = 992^2 + 11894^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 712157 + ... + 712356.

Almost surely, 2^142451300 is an apocalyptic number.

142451300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142451300 is an abundant number, since it is smaller than the sum of its proper divisors (166668238).

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

142451300 is a wasteful number, since it uses less digits than its factorization.

142451300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424527 (or 1424520 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142451300 is about 11935.2963934709. The cubic root of 142451300 is about 522.2624546909.

The spelling of 142451300 in words is "one hundred forty-two million, four hundred fifty-one thousand, three hundred".