45272100 has 36 divisors (see below), whose sum is σ = 130988144. Its totient is φ = 12072480.

The previous prime is 45272099. The next prime is 45272111. The reversal of 45272100 is 127254.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75154 + ... + 75753.

Almost surely, 2^45272100 is an apocalyptic number.

It is an amenable number.

45272100 is an abundant number, since it is smaller than the sum of its proper divisors (85716044).

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

45272100 is a wasteful number, since it uses less digits than its factorization.

45272100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150924 (or 150917 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 45272100 is about 6728.4545030787. The cubic root of 45272100 is about 356.4048019144.

Adding to 45272100 its reverse (127254), we get a palindrome (45399354).

The spelling of 45272100 in words is "forty-five million, two hundred seventy-two thousand, one hundred".