45453100 has 72 divisors (see below), whose sum is σ = 122992128. Its totient is φ = 14164800.

The previous prime is 45453077. The next prime is 45453119. The reversal of 45453100 is 135454.

It is a super-2 number, since 2×45453100² = 4131968599220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4749 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (1708224).

Almost surely, 2^45453100 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 45453100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61496064).

45453100 is an abundant number, since it is smaller than the sum of its proper divisors (77539028).

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

45453100 is a wasteful number, since it uses less digits than its factorization.

45453100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45453100 is about 6741.8914260021. The cubic root of 45453100 is about 356.8791447527.

Adding to 45453100 its reverse (135454), we get a palindrome (45588554).

The spelling of 45453100 in words is "forty-five million, four hundred fifty-three thousand, one hundred".