45145259 has 2 divisors, whose sum is σ = 45145260. Its totient is φ = 45145258.

The previous prime is 45145249. The next prime is 45145301. The reversal of 45145259 is 95254154.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45145259 - 2¹² = 45141163 is a prime.

It is not a weakly prime, because it can be changed into another prime (45145229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572629 + 22572630.

It is an arithmetic number, because the mean of its divisors is an integer number (22572630).

Almost surely, 2^45145259 is an apocalyptic number.

45145259 is a deficient number, since it is larger than the sum of its proper divisors (1).

45145259 is an equidigital number, since it uses as much as digits as its factorization.

45145259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 35.

The square root of 45145259 is about 6719.0221758824. The cubic root of 45145259 is about 356.0716384678.

The spelling of 45145259 in words is "forty-five million, one hundred forty-five thousand, two hundred fifty-nine".