45889549 has 2 divisors, whose sum is σ = 45889550. Its totient is φ = 45889548.

The previous prime is 45889499. The next prime is 45889601. The reversal of 45889549 is 94598854.

It is an a-pointer prime, because the next prime (45889601) can be obtained adding 45889549 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 7387524 = 6205^2 + 2718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45889549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45889496 and 45889505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45889849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22944774 + 22944775.

It is an arithmetic number, because the mean of its divisors is an integer number (22944775).

Almost surely, 2^45889549 is an apocalyptic number.

It is an amenable number.

45889549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45889549 is an equidigital number, since it uses as much as digits as its factorization.

45889549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 52.

The square root of 45889549 is about 6774.1825337084. The cubic root of 45889549 is about 358.0177810213.

The spelling of 45889549 in words is "forty-five million, eight hundred eighty-nine thousand, five hundred forty-nine".