45742115 has 4 divisors (see below), whose sum is σ = 54890544. Its totient is φ = 36593688.

The previous prime is 45742111. The next prime is 45742117. The reversal of 45742115 is 51124754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45742115 - 2² = 45742111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45742111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4574207 + ... + 4574216.

It is an arithmetic number, because the mean of its divisors is an integer number (13722636).

Almost surely, 2^45742115 is an apocalyptic number.

45742115 is a deficient number, since it is larger than the sum of its proper divisors (9148429).

45742115 is an equidigital number, since it uses as much as digits as its factorization.

45742115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148428.

The product of its digits is 5600, while the sum is 29.

The square root of 45742115 is about 6763.2917281454. The cubic root of 45742115 is about 357.6339563528.

Adding to 45742115 its reverse (51124754), we get a palindrome (96866869).

The spelling of 45742115 in words is "forty-five million, seven hundred forty-two thousand, one hundred fifteen".