45168311 has 4 divisors (see below), whose sum is σ = 45615624. Its totient is φ = 44721000.

The previous prime is 45168293. The next prime is 45168317. The reversal of 45168311 is 11386154.

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 45168311 - 2²² = 40974007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45168317) 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, 223505 + ... + 223706.

It is an arithmetic number, because the mean of its divisors is an integer number (11403906).

Almost surely, 2^45168311 is an apocalyptic number.

45168311 is a deficient number, since it is larger than the sum of its proper divisors (447313).

45168311 is a wasteful number, since it uses less digits than its factorization.

45168311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447312.

The product of its digits is 2880, while the sum is 29.

The square root of 45168311 is about 6720.7373851386. The cubic root of 45168311 is about 356.1322337323.

The spelling of 45168311 in words is "forty-five million, one hundred sixty-eight thousand, three hundred eleven".