142887144430 has 16 divisors (see below), whose sum is σ = 257212569744. Its totient is φ = 57151366720.

The previous prime is 142887144391. The next prime is 142887144457. The reversal of 142887144430 is 34441788241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261127 + ... + 594946.

It is an arithmetic number, because the mean of its divisors is an integer number (16075785609).

Almost surely, 2^142887144430 is an apocalyptic number.

142887144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142887144430 is a deficient number, since it is larger than the sum of its proper divisors (114325425314).

142887144430 is a wasteful number, since it uses less digits than its factorization.

142887144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872771.

The product of its (nonzero) digits is 688128, while the sum is 46.

The spelling of 142887144430 in words is "one hundred forty-two billion, eight hundred eighty-seven million, one hundred forty-four thousand, four hundred thirty".