45455289 has 16 divisors (see below), whose sum is σ = 66728640. Its totient is φ = 27293760.

The previous prime is 45455287. The next prime is 45455303. The reversal of 45455289 is 98255454.

It is not a de Polignac number, because 45455289 - 2¹ = 45455287 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45455289.

It is not an unprimeable number, because it can be changed into a prime (45455287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2722 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (4170540).

Almost surely, 2^45455289 is an apocalyptic number.

It is an amenable number.

45455289 is a deficient number, since it is larger than the sum of its proper divisors (21273351).

45455289 is a wasteful number, since it uses less digits than its factorization.

45455289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760.

The product of its digits is 288000, while the sum is 42.

The square root of 45455289 is about 6742.0537672137. The cubic root of 45455289 is about 356.8848737048.

The spelling of 45455289 in words is "forty-five million, four hundred fifty-five thousand, two hundred eighty-nine".