142059830 has 16 divisors (see below), whose sum is σ = 278954064. Its totient is φ = 51658080.

The previous prime is 142059823. The next prime is 142059847. The reversal of 142059830 is 38950241.

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, 645617 + ... + 645836.

It is an arithmetic number, because the mean of its divisors is an integer number (17434629).

Almost surely, 2^142059830 is an apocalyptic number.

142059830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142059830 is a deficient number, since it is larger than the sum of its proper divisors (136894234).

142059830 is a wasteful number, since it uses less digits than its factorization.

142059830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291471.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 142059830 is about 11918.8854344691. The cubic root of 142059830 is about 521.7836064752.

The spelling of 142059830 in words is "one hundred forty-two million, fifty-nine thousand, eight hundred thirty".