45615541 has 2 divisors, whose sum is σ = 45615542. Its totient is φ = 45615540.

The previous prime is 45615527. The next prime is 45615551. The reversal of 45615541 is 14551654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43428100 + 2187441 = 6590^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 45615541 - 2¹³ = 45607349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45615551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22807770 + 22807771.

It is an arithmetic number, because the mean of its divisors is an integer number (22807771).

Almost surely, 2^45615541 is an apocalyptic number.

It is an amenable number.

45615541 is a deficient number, since it is larger than the sum of its proper divisors (1).

45615541 is an equidigital number, since it uses as much as digits as its factorization.

45615541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The square root of 45615541 is about 6753.9278201651. The cubic root of 45615541 is about 357.3037793890.

The spelling of 45615541 in words is "forty-five million, six hundred fifteen thousand, five hundred forty-one".