15980145 has 8 divisors (see below), whose sum is σ = 25568256. Its totient is φ = 8522736.

The previous prime is 15980123. The next prime is 15980149. The reversal of 15980145 is 54108951.

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

It is not a de Polignac number, because 15980145 - 2⁸ = 15979889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15980149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532657 + ... + 532686.

It is an arithmetic number, because the mean of its divisors is an integer number (3196032).

Almost surely, 2^15980145 is an apocalyptic number.

15980145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15980145 is a deficient number, since it is larger than the sum of its proper divisors (9588111).

15980145 is a wasteful number, since it uses less digits than its factorization.

15980145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065351.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 15980145 is about 3997.5173545590. The cubic root of 15980145 is about 251.8799346155.

The spelling of 15980145 in words is "fifteen million, nine hundred eighty thousand, one hundred forty-five".