45234013 has 16 divisors (see below), whose sum is σ = 50320512. Its totient is φ = 40320000.

The previous prime is 45233999. The next prime is 45234023. The reversal of 45234013 is 31043254.

It is a cyclic number.

It is not a de Polignac number, because 45234013 - 2²¹ = 43136861 is a prime.

It is a super-2 number, since 2×45234013² = 4092231864168338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45234023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187573 + ... + 187813.

It is an arithmetic number, because the mean of its divisors is an integer number (3145032).

Almost surely, 2^45234013 is an apocalyptic number.

It is an amenable number.

45234013 is a deficient number, since it is larger than the sum of its proper divisors (5086499).

45234013 is a wasteful number, since it uses less digits than its factorization.

45234013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 45234013 is about 6725.6236142086. The cubic root of 45234013 is about 356.3048271828.

Adding to 45234013 its reverse (31043254), we get a palindrome (76277267).

The spelling of 45234013 in words is "forty-five million, two hundred thirty-four thousand, thirteen".