45311133 has 24 divisors (see below), whose sum is σ = 70625280. Its totient is φ = 25764480.

The previous prime is 45311129. The next prime is 45311159. The reversal of 45311133 is 33111354.

It is not a de Polignac number, because 45311133 - 2² = 45311129 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45311033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34788 + ... + 36066.

It is an arithmetic number, because the mean of its divisors is an integer number (2942720).

Almost surely, 2^45311133 is an apocalyptic number.

It is an amenable number.

45311133 is a deficient number, since it is larger than the sum of its proper divisors (25314147).

45311133 is a wasteful number, since it uses less digits than its factorization.

45311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1530 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 45311133 is about 6731.3544699414. The cubic root of 45311133 is about 356.5072016443.

Adding to 45311133 its reverse (33111354), we get a palindrome (78422487).

The spelling of 45311133 in words is "forty-five million, three hundred eleven thousand, one hundred thirty-three".