15714442 has 8 divisors (see below), whose sum is σ = 23660100. Its totient is φ = 7827744.

The previous prime is 15714437. The next prime is 15714481. The reversal of 15714442 is 24441751.

It can be written as a sum of positive squares in 2 ways, for example, as 14295961 + 1418481 = 3781^2 + 1191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15714442.

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 3 ways as a sum of consecutive naturals, for example, 14067 + ... + 15142.

Almost surely, 2^15714442 is an apocalyptic number.

15714442 is a deficient number, since it is larger than the sum of its proper divisors (7945658).

15714442 is a wasteful number, since it uses less digits than its factorization.

15714442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29480.

The product of its digits is 4480, while the sum is 28.

The square root of 15714442 is about 3964.1445483231. The cubic root of 15714442 is about 250.4761166760.

The spelling of 15714442 in words is "fifteen million, seven hundred fourteen thousand, four hundred forty-two".