45111309 has 4 divisors (see below), whose sum is σ = 60148416. Its totient is φ = 30074204.

The previous prime is 45111277. The next prime is 45111317. The reversal of 45111309 is 90311154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45111309 - 2⁵ = 45111277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111329) 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, 7518549 + ... + 7518554.

It is an arithmetic number, because the mean of its divisors is an integer number (15037104).

Almost surely, 2^45111309 is an apocalyptic number.

It is an amenable number.

45111309 is a deficient number, since it is larger than the sum of its proper divisors (15037107).

45111309 is a wasteful number, since it uses less digits than its factorization.

45111309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037106.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 45111309 is about 6716.4952914448. The cubic root of 45111309 is about 355.9823587816.

The spelling of 45111309 in words is "forty-five million, one hundred eleven thousand, three hundred nine".