45540589 has 2 divisors, whose sum is σ = 45540590. Its totient is φ = 45540588.

The previous prime is 45540571. The next prime is 45540601. The reversal of 45540589 is 98504554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45118089 + 422500 = 6717^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 45540589 - 2⁷ = 45540461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45540559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770294 + 22770295.

It is an arithmetic number, because the mean of its divisors is an integer number (22770295).

Almost surely, 2^45540589 is an apocalyptic number.

It is an amenable number.

45540589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45540589 is an equidigital number, since it uses as much as digits as its factorization.

45540589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 45540589 is about 6748.3767677865. The cubic root of 45540589 is about 357.1079739415.

The spelling of 45540589 in words is "forty-five million, five hundred forty thousand, five hundred eighty-nine".