45492100 has 18 divisors (see below), whose sum is σ = 98718074. Its totient is φ = 18196800.

The previous prime is 45492079. The next prime is 45492107. The reversal of 45492100 is 129454.

It can be written as a sum of positive squares in 3 ways, for example, as 8111104 + 37380996 = 2848^2 + 6114^2 .

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 (45492107) 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, 227361 + ... + 227560.

Almost surely, 2^45492100 is an apocalyptic number.

It is an amenable number.

45492100 is an abundant number, since it is smaller than the sum of its proper divisors (53225974).

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

45492100 is a wasteful number, since it uses less digits than its factorization.

45492100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454935 (or 454928 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 45492100 is about 6744.7831692353. The cubic root of 45492100 is about 356.9811862547.

The spelling of 45492100 in words is "forty-five million, four hundred ninety-two thousand, one hundred".