45018100 has 36 divisors (see below), whose sum is σ = 97986784. Its totient is φ = 17952480.

The previous prime is 45018097. The next prime is 45018101. The reversal of 45018100 is 181054.

It is a super-2 number, since 2×45018100² = 4053258655220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45018101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54289 + ... + 55111.

Almost surely, 2^45018100 is an apocalyptic number.

It is an amenable number.

45018100 is an abundant number, since it is smaller than the sum of its proper divisors (52968684).

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

45018100 is a wasteful number, since it uses less digits than its factorization.

45018100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 45018100 is about 6709.5528912141. The cubic root of 45018100 is about 355.7370127743.

Adding to 45018100 its reverse (181054), we get a palindrome (45199154).

The spelling of 45018100 in words is "forty-five million, eighteen thousand, one hundred".