45012311 has 32 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 37407744.

The previous prime is 45012299. The next prime is 45012329. The reversal of 45012311 is 11321054.

It is a cyclic number.

It is not a de Polignac number, because 45012311 - 2²² = 40818007 is a prime.

It is a super-2 number, since 2×45012311² = 4052216283121442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45012361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542276 + ... + 542358.

It is an arithmetic number, because the mean of its divisors is an integer number (1678320).

Almost surely, 2^45012311 is an apocalyptic number.

45012311 is a deficient number, since it is larger than the sum of its proper divisors (8693929).

45012311 is a wasteful number, since it uses less digits than its factorization.

45012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 45012311 is about 6709.1214775110. The cubic root of 45012311 is about 355.7217637237.

Adding to 45012311 its reverse (11321054), we get a palindrome (56333365).

The spelling of 45012311 in words is "forty-five million, twelve thousand, three hundred eleven".