45744047 has 2 divisors, whose sum is σ = 45744048. Its totient is φ = 45744046.

The previous prime is 45744031. The next prime is 45744067. The reversal of 45744047 is 74044754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45744047 - 2⁴ = 45744031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45743998 and 45744016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45744007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22872023 + 22872024.

It is an arithmetic number, because the mean of its divisors is an integer number (22872024).

Almost surely, 2^45744047 is an apocalyptic number.

45744047 is a deficient number, since it is larger than the sum of its proper divisors (1).

45744047 is an equidigital number, since it uses as much as digits as its factorization.

45744047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 45744047 is about 6763.4345564957. The cubic root of 45744047 is about 357.6389913850.

The spelling of 45744047 in words is "forty-five million, seven hundred forty-four thousand, forty-seven".