45143400 has 48 divisors (see below), whose sum is σ = 139946400. Its totient is φ = 12038080.

The previous prime is 45143393. The next prime is 45143431. The reversal of 45143400 is 434154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37020 + ... + 38219.

It is an arithmetic number, because the mean of its divisors is an integer number (2915550).

Almost surely, 2^45143400 is an apocalyptic number.

45143400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45143400 is an abundant number, since it is smaller than the sum of its proper divisors (94803000).

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

45143400 is a wasteful number, since it uses less digits than its factorization.

45143400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75258 (or 75249 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45143400 is about 6718.8838358763. The cubic root of 45143400 is about 356.0667509390.

Adding to 45143400 its reverse (434154), we get a palindrome (45577554).

The spelling of 45143400 in words is "forty-five million, one hundred forty-three thousand, four hundred".