15030081 has 24 divisors (see below), whose sum is σ = 23859264. Its totient is φ = 9041760.

The previous prime is 15030079. The next prime is 15030089. The reversal of 15030081 is 18003051.

It is a happy number.

15030081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15030081 - 2¹ = 15030079 is a prime.

It is a super-2 number, since 2×15030081² = 451806669733122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15030089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15060 + ... + 16026.

It is an arithmetic number, because the mean of its divisors is an integer number (994136).

Almost surely, 2^15030081 is an apocalyptic number.

15030081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15030081 is a deficient number, since it is larger than the sum of its proper divisors (8829183).

15030081 is a wasteful number, since it uses less digits than its factorization.

15030081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 15030081 is about 3876.8648415956. The cubic root of 15030081 is about 246.7859554100.

The spelling of 15030081 in words is "fifteen million, thirty thousand, eighty-one".