45271489 has 2 divisors, whose sum is σ = 45271490. Its totient is φ = 45271488.

The previous prime is 45271469. The next prime is 45271519. The reversal of 45271489 is 98417254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31640625 + 13630864 = 5625^2 + 3692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45271489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45271409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22635744 + 22635745.

It is an arithmetic number, because the mean of its divisors is an integer number (22635745).

Almost surely, 2^45271489 is an apocalyptic number.

It is an amenable number.

45271489 is a deficient number, since it is larger than the sum of its proper divisors (1).

45271489 is an equidigital number, since it uses as much as digits as its factorization.

45271489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 45271489 is about 6728.4090987395. The cubic root of 45271489 is about 356.4031985405.

The spelling of 45271489 in words is "forty-five million, two hundred seventy-one thousand, four hundred eighty-nine".