45423787 has 2 divisors, whose sum is σ = 45423788. Its totient is φ = 45423786.

The previous prime is 45423767. The next prime is 45423793. The reversal of 45423787 is 78732454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45423787 - 2²³ = 37035179 is a prime.

It is not a weakly prime, because it can be changed into another prime (45423767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711893 + 22711894.

It is an arithmetic number, because the mean of its divisors is an integer number (22711894).

Almost surely, 2^45423787 is an apocalyptic number.

45423787 is a deficient number, since it is larger than the sum of its proper divisors (1).

45423787 is an equidigital number, since it uses as much as digits as its factorization.

45423787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 45423787 is about 6739.7171305627. The cubic root of 45423787 is about 356.8024103605.

The spelling of 45423787 in words is "forty-five million, four hundred twenty-three thousand, seven hundred eighty-seven".