4545272 has 32 divisors (see below), whose sum is σ = 8888880. Its totient is φ = 2177280.

The previous prime is 4545269. The next prime is 4545337. The reversal of 4545272 is 2725454.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25022 + ... + 25202.

Almost surely, 2^4545272 is an apocalyptic number.

It is an amenable number.

4545272 is a deficient number, since it is larger than the sum of its proper divisors (4343608).

4545272 is a wasteful number, since it uses less digits than its factorization.

4545272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 299 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 4545272 is about 2131.9643524224. The cubic root of 4545272 is about 165.6481636999.

The spelling of 4545272 in words is "four million, five hundred forty-five thousand, two hundred seventy-two".