45032387 has 2 divisors, whose sum is σ = 45032388. Its totient is φ = 45032386.

The previous prime is 45032381. The next prime is 45032417. The reversal of 45032387 is 78323054.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45032387 - 2¹⁶ = 44966851 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45032381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22516193 + 22516194.

It is an arithmetic number, because the mean of its divisors is an integer number (22516194).

Almost surely, 2^45032387 is an apocalyptic number.

45032387 is a deficient number, since it is larger than the sum of its proper divisors (1).

45032387 is an equidigital number, since it uses as much as digits as its factorization.

45032387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 45032387 is about 6710.6174827657. The cubic root of 45032387 is about 355.7746411737.

The spelling of 45032387 in words is "forty-five million, thirty-two thousand, three hundred eighty-seven".