45112101 has 16 divisors (see below), whose sum is σ = 63835200. Its totient is φ = 28240128.

The previous prime is 45112097. The next prime is 45112129. The reversal of 45112101 is 10121154.

It is a happy number.

It is not a de Polignac number, because 45112101 - 2² = 45112097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45112141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30855 + ... + 32283.

It is an arithmetic number, because the mean of its divisors is an integer number (3989700).

Almost surely, 2^45112101 is an apocalyptic number.

It is an amenable number.

45112101 is a deficient number, since it is larger than the sum of its proper divisors (18723099).

45112101 is a wasteful number, since it uses less digits than its factorization.

45112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 45112101 is about 6716.5542505067. The cubic root of 45112101 is about 355.9844420462.

Adding to 45112101 its reverse (10121154), we get a palindrome (55233255).

The spelling of 45112101 in words is "forty-five million, one hundred twelve thousand, one hundred one".