45112545 has 80 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 22087296.

The previous prime is 45112541. The next prime is 45112553. The reversal of 45112545 is 54521154.

45112545 is a `hidden beast` number, since 4 + 5 + 112 + 545 = 666.

It is not a de Polignac number, because 45112545 - 2² = 45112541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45112541) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 270052 + ... + 270218.

It is an arithmetic number, because the mean of its divisors is an integer number (1097712).

Almost surely, 2^45112545 is an apocalyptic number.

45112545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45112545 is a deficient number, since it is larger than the sum of its proper divisors (42704415).

45112545 is a wasteful number, since it uses less digits than its factorization.

45112545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 227 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 45112545 is about 6716.5873030878. The cubic root of 45112545 is about 355.9856099263.

Adding to 45112545 its reverse (54521154), we get a palindrome (99633699).

It can be divided in two parts, 4511 and 2545, that added together give a square (7056 = 84²).

The spelling of 45112545 in words is "forty-five million, one hundred twelve thousand, five hundred forty-five".