45135379 has 4 divisors (see below), whose sum is σ = 45153576. Its totient is φ = 45117184.

The previous prime is 45135373. The next prime is 45135403. The reversal of 45135379 is 97353154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97353154 = 2 ⋅48676577.

It is a cyclic number.

It is not a de Polignac number, because 45135379 - 2¹⁵ = 45102611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45135373) 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, 4654 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (11288394).

Almost surely, 2^45135379 is an apocalyptic number.

45135379 is a deficient number, since it is larger than the sum of its proper divisors (18197).

45135379 is a wasteful number, since it uses less digits than its factorization.

45135379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18196.

The product of its digits is 56700, while the sum is 37.

The square root of 45135379 is about 6718.2869096221. The cubic root of 45135379 is about 356.0456612517.

It can be divided in two parts, 45 and 135379, that added together give a square (135424 = 368²).

The spelling of 45135379 in words is "forty-five million, one hundred thirty-five thousand, three hundred seventy-nine".