45040311 has 12 divisors (see below), whose sum is σ = 65267592. Its totient is φ = 29930256.

The previous prime is 45040231. The next prime is 45040313. The reversal of 45040311 is 11304054.

It is a happy number.

It is not a de Polignac number, because 45040311 - 2⁷ = 45040183 is a prime.

It is a super-2 number, since 2×45040311² = 4057259229953442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45040313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5041 + ... + 10746.

It is an arithmetic number, because the mean of its divisors is an integer number (5438966).

Almost surely, 2^45040311 is an apocalyptic number.

45040311 is a deficient number, since it is larger than the sum of its proper divisors (20227281).

45040311 is a wasteful number, since it uses less digits than its factorization.

45040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110 (or 16107 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45040311 is about 6711.2078644608. The cubic root of 45040311 is about 355.7955075849.

Adding to 45040311 its reverse (11304054), we get a palindrome (56344365).

The spelling of 45040311 in words is "forty-five million, forty thousand, three hundred eleven".