45270900 has 180 divisors, whose sum is σ = 153760992. Its totient is φ = 11547360.

The previous prime is 45270889. The next prime is 45270919. The reversal of 45270900 is 907254.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1968289 + ... + 1968311.

Almost surely, 2^45270900 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 45270900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76880496).

45270900 is an abundant number, since it is smaller than the sum of its proper divisors (108490092).

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

45270900 is an equidigital number, since it uses as much as digits as its factorization.

45270900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 45270900 is about 6728.3653289636. The cubic root of 45270900 is about 356.4016528849.

The spelling of 45270900 in words is "forty-five million, two hundred seventy thousand, nine hundred".