15023481 has 12 divisors (see below), whose sum is σ = 22018416. Its totient is φ = 9104920.

The previous prime is 15023453. The next prime is 15023483. The reversal of 15023481 is 18432051.

It is not a de Polignac number, because 15023481 - 2⁷ = 15023353 is a prime.

It is a super-2 number, since 2×15023481² = 451409962714722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15023483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20331 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (1834868).

Almost surely, 2^15023481 is an apocalyptic number.

15023481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15023481 is a deficient number, since it is larger than the sum of its proper divisors (6994935).

15023481 is a wasteful number, since it uses less digits than its factorization.

15023481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41412 (or 41401 counting only the distinct ones).

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

The square root of 15023481 is about 3876.0135448680. The cubic root of 15023481 is about 246.7498272886.

The spelling of 15023481 in words is "fifteen million, twenty-three thousand, four hundred eighty-one".