14538915 has 12 divisors (see below), whose sum is σ = 25200864. Its totient is φ = 7754064.

The previous prime is 14538913. The next prime is 14538929. The reversal of 14538915 is 51983541.

It is not a de Polignac number, because 14538915 - 2¹ = 14538913 is a prime.

It is a super-2 number, since 2×14538915² = 422760098754450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14538915.

It is not an unprimeable number, because it can be changed into a prime (14538911) 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, 161499 + ... + 161588.

It is an arithmetic number, because the mean of its divisors is an integer number (2100072).

Almost surely, 2^14538915 is an apocalyptic number.

14538915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14538915 is a deficient number, since it is larger than the sum of its proper divisors (10661949).

14538915 is a wasteful number, since it uses less digits than its factorization.

14538915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323098 (or 323095 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 14538915 is about 3812.9929189549. The cubic root of 14538915 is about 244.0679007927.

It can be divided in two parts, 145 and 38915, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 14538915 in words is "fourteen million, five hundred thirty-eight thousand, nine hundred fifteen".