15141945 has 32 divisors (see below), whose sum is σ = 29820672. Its totient is φ = 6388992.

The previous prime is 15141913. The next prime is 15141961. The reversal of 15141945 is 54914151.

15141945 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 15141945 - 2⁵ = 15141913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4182 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (931896).

Almost surely, 2^15141945 is an apocalyptic number.

15141945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15141945 is a deficient number, since it is larger than the sum of its proper divisors (14678727).

15141945 is a wasteful number, since it uses less digits than its factorization.

15141945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121.

The product of its digits is 3600, while the sum is 30.

The square root of 15141945 is about 3891.2652184090. The cubic root of 15141945 is about 247.3966919116.

The spelling of 15141945 in words is "fifteen million, one hundred forty-one thousand, nine hundred forty-five".