14991545 has 8 divisors (see below), whose sum is σ = 18021696. Its totient is φ = 11972016.

The previous prime is 14991541. The next prime is 14991553. The reversal of 14991545 is 54519941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14991545 - 2² = 14991541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14991499 and 14991508.

It is not an unprimeable number, because it can be changed into a prime (14991541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (2252712).

Almost surely, 2^14991545 is an apocalyptic number.

It is an amenable number.

14991545 is a deficient number, since it is larger than the sum of its proper divisors (3030151).

14991545 is an equidigital number, since it uses as much as digits as its factorization.

14991545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its digits is 32400, while the sum is 38.

The square root of 14991545 is about 3871.8916565421. The cubic root of 14991545 is about 246.5748613394.

The spelling of 14991545 in words is "fourteen million, nine hundred ninety-one thousand, five hundred forty-five".