45542115 has 16 divisors (see below), whose sum is σ = 80964000. Its totient is φ = 24289056.

The previous prime is 45542113. The next prime is 45542129. The reversal of 45542115 is 51124554.

45542115 is a `hidden beast` number, since 4 + 5 + 542 + 115 = 666.

It is not a de Polignac number, because 45542115 - 2¹ = 45542113 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 (45542113) 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, 168540 + ... + 168809.

It is an arithmetic number, because the mean of its divisors is an integer number (5060250).

Almost surely, 2^45542115 is an apocalyptic number.

45542115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45542115 is a deficient number, since it is larger than the sum of its proper divisors (35421885).

45542115 is a wasteful number, since it uses less digits than its factorization.

45542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337363 (or 337357 counting only the distinct ones).

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

The square root of 45542115 is about 6748.4898310659. The cubic root of 45542115 is about 357.1119626228. Note that the first 3 decimals are identical.

Adding to 45542115 its reverse (51124554), we get a palindrome (96666669).

The spelling of 45542115 in words is "forty-five million, five hundred forty-two thousand, one hundred fifteen".