14989945 has 16 divisors (see below), whose sum is σ = 18517248. Its totient is φ = 11643520.

The previous prime is 14989943. The next prime is 14989963. The reversal of 14989945 is 54998941.

It is a happy number.

It is not a de Polignac number, because 14989945 - 2¹ = 14989943 is a prime.

It is a super-2 number, since 2×14989945² = 449396902206050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14989943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53205 + ... + 53485.

It is an arithmetic number, because the mean of its divisors is an integer number (1157328).

Almost surely, 2^14989945 is an apocalyptic number.

It is an amenable number.

14989945 is a deficient number, since it is larger than the sum of its proper divisors (3527303).

14989945 is a wasteful number, since it uses less digits than its factorization.

14989945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its digits is 466560, while the sum is 49.

The square root of 14989945 is about 3871.6850336772. The cubic root of 14989945 is about 246.5660889766.

The spelling of 14989945 in words is "fourteen million, nine hundred eighty-nine thousand, nine hundred forty-five".