15142830 has 32 divisors (see below), whose sum is σ = 36505728. Its totient is φ = 4020000.

The previous prime is 15142819. The next prime is 15142847. The reversal of 15142830 is 3824151.

It is a self number, because there is not a number n which added to its sum of digits gives 15142830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6525 + ... + 8535.

It is an arithmetic number, because the mean of its divisors is an integer number (1140804).

Almost surely, 2^15142830 is an apocalyptic number.

15142830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15142830 is an abundant number, since it is smaller than the sum of its proper divisors (21362898).

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

15142830 is a wasteful number, since it uses less digits than its factorization.

15142830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 15142830 is about 3891.3789329748. The cubic root of 15142830 is about 247.4015116756.

Adding to 15142830 its reverse (3824151), we get a palindrome (18966981).

It can be divided in two parts, 15 and 142830, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 15142830 in words is "fifteen million, one hundred forty-two thousand, eight hundred thirty".