45119521 has 2 divisors, whose sum is σ = 45119522. Its totient is φ = 45119520.

The previous prime is 45119489. The next prime is 45119531. The reversal of 45119521 is 12591154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 4669921 = 6360^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 45119521 - 2⁵ = 45119489 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45119521.

It is not a weakly prime, because it can be changed into another prime (45119531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22559760 + 22559761.

It is an arithmetic number, because the mean of its divisors is an integer number (22559761).

Almost surely, 2^45119521 is an apocalyptic number.

It is an amenable number.

45119521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45119521 is an equidigital number, since it uses as much as digits as its factorization.

45119521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 45119521 is about 6717.1065943604. The cubic root of 45119521 is about 356.0039583156.

The spelling of 45119521 in words is "forty-five million, one hundred nineteen thousand, five hundred twenty-one".