45542641 has 2 divisors, whose sum is σ = 45542642. Its totient is φ = 45542640.

The previous prime is 45542611. The next prime is 45542659. The reversal of 45542641 is 14624554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44502241 + 1040400 = 6671^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 45542641 - 2⁹ = 45542129 is a prime.

It is not a weakly prime, because it can be changed into another prime (45542611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22771320 + 22771321.

It is an arithmetic number, because the mean of its divisors is an integer number (22771321).

Almost surely, 2^45542641 is an apocalyptic number.

It is an amenable number.

45542641 is a deficient number, since it is larger than the sum of its proper divisors (1).

45542641 is an equidigital number, since it uses as much as digits as its factorization.

45542641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 45542641 is about 6748.5288026354. The cubic root of 45542641 is about 357.1133374687.

The spelling of 45542641 in words is "forty-five million, five hundred forty-two thousand, six hundred forty-one".