15342081 has 8 divisors (see below), whose sum is σ = 21345600. Its totient is φ = 9783312.

The previous prime is 15342079. The next prime is 15342091. The reversal of 15342081 is 18024351.

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

It is not a de Polignac number, because 15342081 - 2¹ = 15342079 is a prime.

It is a super-2 number, since 2×15342081² = 470758898821122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15342011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111106 + ... + 111243.

It is an arithmetic number, because the mean of its divisors is an integer number (2668200).

Almost surely, 2^15342081 is an apocalyptic number.

It is an amenable number.

15342081 is a deficient number, since it is larger than the sum of its proper divisors (6003519).

15342081 is a wasteful number, since it uses less digits than its factorization.

15342081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222375.

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

The square root of 15342081 is about 3916.8968584838. The cubic root of 15342081 is about 248.4818988012.

The spelling of 15342081 in words is "fifteen million, three hundred forty-two thousand, eighty-one".