45032857 has 2 divisors, whose sum is σ = 45032858. Its totient is φ = 45032856.

The previous prime is 45032849. The next prime is 45032887. The reversal of 45032857 is 75823054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24019801 + 21013056 = 4901^2 + 4584^2 .

It is a cyclic number.

It is not a de Polignac number, because 45032857 - 2³ = 45032849 is a prime.

It is not a weakly prime, because it can be changed into another prime (45032807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22516428 + 22516429.

It is an arithmetic number, because the mean of its divisors is an integer number (22516429).

Almost surely, 2^45032857 is an apocalyptic number.

It is an amenable number.

45032857 is a deficient number, since it is larger than the sum of its proper divisors (1).

45032857 is an equidigital number, since it uses as much as digits as its factorization.

45032857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 45032857 is about 6710.6525018064. The cubic root of 45032857 is about 355.7758789014.

The spelling of 45032857 in words is "forty-five million, thirty-two thousand, eight hundred fifty-seven".