45831400 has 24 divisors (see below), whose sum is σ = 106558470. Its totient is φ = 18332480.

The previous prime is 45831391. The next prime is 45831403. The reversal of 45831400 is 413854.

It can be written as a sum of positive squares in 3 ways, for example, as 35450116 + 10381284 = 5954^2 + 3222^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (45831403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114379 + ... + 114778.

Almost surely, 2^45831400 is an apocalyptic number.

45831400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45831400 is an abundant number, since it is smaller than the sum of its proper divisors (60727070).

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

45831400 is a wasteful number, since it uses less digits than its factorization.

45831400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229173 (or 229164 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 45831400 is about 6769.8892162280. The cubic root of 45831400 is about 357.8664962085.

The spelling of 45831400 in words is "forty-five million, eight hundred thirty-one thousand, four hundred".