45111801 has 12 divisors (see below), whose sum is σ = 69969552. Its totient is φ = 25778088.

The previous prime is 45111799. The next prime is 45111817. The reversal of 45111801 is 10811154.

It is a happy number.

It is not a de Polignac number, because 45111801 - 2¹ = 45111799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (45111821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153295 + ... + 153588.

It is an arithmetic number, because the mean of its divisors is an integer number (5830796).

Almost surely, 2^45111801 is an apocalyptic number.

It is an amenable number.

45111801 is a deficient number, since it is larger than the sum of its proper divisors (24857751).

45111801 is a wasteful number, since it uses less digits than its factorization.

45111801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306900 (or 306893 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 45111801 is about 6716.5319175896. The cubic root of 45111801 is about 355.9836529337.

Adding to 45111801 its reverse (10811154), we get a palindrome (55922955).

The spelling of 45111801 in words is "forty-five million, one hundred eleven thousand, eight hundred one".