16045372 has 18 divisors (see below), whose sum is σ = 32133192. Its totient is φ = 6867504.

The previous prime is 16045369. The next prime is 16045373. The reversal of 16045372 is 27354061.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 16045372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16045373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20818 + ... + 21574.

Almost surely, 2^16045372 is an apocalyptic number.

It is an amenable number.

16045372 is an abundant number, since it is smaller than the sum of its proper divisors (16087820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16045372 is an frugal number, since it uses more digits than its factorization.

16045372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 16045372 is about 4005.6674849518. The cubic root of 16045372 is about 252.2221732602. Note that the first 3 decimals are identical.

Multiplying 16045372 by its sum of digits (28), we get a square (449270416 = 21196²).

16045372 divided by its sum of digits (28) gives a square (573049 = 757²).

The spelling of 16045372 in words is "sixteen million, forty-five thousand, three hundred seventy-two".