45555272 has 64 divisors (see below), whose sum is σ = 103092480. Its totient is φ = 18450432.

The previous prime is 45555269. The next prime is 45555283. The reversal of 45555272 is 27255554.

45555272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×45555272³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145388 + ... + 145700.

It is an arithmetic number, because the mean of its divisors is an integer number (1610820).

Almost surely, 2^45555272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45555272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51546240).

45555272 is an abundant number, since it is smaller than the sum of its proper divisors (57537208).

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

45555272 is a wasteful number, since it uses less digits than its factorization.

45555272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its digits is 70000, while the sum is 35.

The square root of 45555272 is about 6749.4645713568. The cubic root of 45555272 is about 357.1463488878.

The spelling of 45555272 in words is "forty-five million, five hundred fifty-five thousand, two hundred seventy-two".