45485400 has 144 divisors (see below), whose sum is σ = 147881160. Its totient is φ = 11558400.

The previous prime is 45485399. The next prime is 45485413. The reversal of 45485400 is 458454.

It is a super-2 number, since 2×45485400² = 4137843226320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1057779 + ... + 1057821.

Almost surely, 2^45485400 is an apocalyptic number.

45485400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45485400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73940580).

45485400 is an abundant number, since it is smaller than the sum of its proper divisors (102395760).

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

45485400 is a wasteful number, since it uses less digits than its factorization.

45485400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 45485400 is about 6744.2864707840. The cubic root of 45485400 is about 356.9636601979.

The spelling of 45485400 in words is "forty-five million, four hundred eighty-five thousand, four hundred".