142157630 has 16 divisors (see below), whose sum is σ = 264138624. Its totient is φ = 55028640.

The previous prime is 142157611. The next prime is 142157647. The reversal of 142157630 is 36751241.

It is a junction number, because it is equal to n+sod(n) for n = 142157593 and 142157602.

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, 228977 + ... + 229596.

It is an arithmetic number, because the mean of its divisors is an integer number (16508664).

Almost surely, 2^142157630 is an apocalyptic number.

142157630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142157630 is a deficient number, since it is larger than the sum of its proper divisors (121980994).

142157630 is a wasteful number, since it uses less digits than its factorization.

142157630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458611.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 142157630 is about 11922.9874612028. The cubic root of 142157630 is about 521.9033183147.

The spelling of 142157630 in words is "one hundred forty-two million, one hundred fifty-seven thousand, six hundred thirty".