45501400 has 72 divisors (see below), whose sum is σ = 123089220. Its totient is φ = 15597120.

The previous prime is 45501389. The next prime is 45501413. The reversal of 45501400 is 410554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7479 + ... + 12121.

Almost surely, 2^45501400 is an apocalyptic number.

45501400 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 45501400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61544610).

45501400 is an abundant number, since it is smaller than the sum of its proper divisors (77587820).

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

45501400 is a wasteful number, since it uses less digits than its factorization.

45501400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 45501400 is about 6745.4725557221. The cubic root of 45501400 is about 357.0055106160.

Adding to 45501400 its reverse (410554), we get a palindrome (45911954).

The spelling of 45501400 in words is "forty-five million, five hundred one thousand, four hundred".