45042511 has 2 divisors, whose sum is σ = 45042512. Its totient is φ = 45042510.

The previous prime is 45042509. The next prime is 45042541. The reversal of 45042511 is 11524054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45042511 - 2¹ = 45042509 is a prime.

Together with 45042509, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45042541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521255 + 22521256.

It is an arithmetic number, because the mean of its divisors is an integer number (22521256).

Almost surely, 2^45042511 is an apocalyptic number.

45042511 is a deficient number, since it is larger than the sum of its proper divisors (1).

45042511 is an equidigital number, since it uses as much as digits as its factorization.

45042511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45042511 is about 6711.3717673811. The cubic root of 45042511 is about 355.8013004503.

Adding to 45042511 its reverse (11524054), we get a palindrome (56566565).

The spelling of 45042511 in words is "forty-five million, forty-two thousand, five hundred eleven".