16137145 has 12 divisors (see below), whose sum is σ = 20246436. Its totient is φ = 12346400.

The previous prime is 16137139. The next prime is 16137157. The reversal of 16137145 is 54173161.

It can be written as a sum of positive squares in 2 ways, for example, as 8003241 + 8133904 = 2829^2 + 2852^2 .

It is not a de Polignac number, because 16137145 - 2⁹ = 16136633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (1687203).

Almost surely, 2^16137145 is an apocalyptic number.

It is an amenable number.

16137145 is a deficient number, since it is larger than the sum of its proper divisors (4109291).

16137145 is an equidigital number, since it uses as much as digits as its factorization.

16137145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152 (or 6129 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 16137145 is about 4017.1065457615. The cubic root of 16137145 is about 252.7021287758.

The spelling of 16137145 in words is "sixteen million, one hundred thirty-seven thousand, one hundred forty-five".