45270100 has 18 divisors (see below), whose sum is σ = 98236334. Its totient is φ = 18108000.

The previous prime is 45270089. The next prime is 45270101. The reversal of 45270100 is 107254.

It can be written as a sum of positive squares in 3 ways, for example, as 6482116 + 38787984 = 2546^2 + 6228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45270101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 226251 + ... + 226450.

Almost surely, 2^45270100 is an apocalyptic number.

It is an amenable number.

45270100 is an abundant number, since it is smaller than the sum of its proper divisors (52966234).

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

45270100 is a wasteful number, since it uses less digits than its factorization.

45270100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452715 (or 452708 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 45270100 is about 6728.3058788970. The cubic root of 45270100 is about 356.3995535010.

Adding to 45270100 its reverse (107254), we get a palindrome (45377354).

The spelling of 45270100 in words is "forty-five million, two hundred seventy thousand, one hundred".