45257744 has 40 divisors (see below), whose sum is σ = 104576640. Its totient is φ = 18551808.

The previous prime is 45257741. The next prime is 45257747. The reversal of 45257744 is 44775254.

It is an interprime number because it is at equal distance from previous prime (45257741) and next prime (45257747).

It is a junction number, because it is equal to n+sod(n) for n = 45257698 and 45257707.

It is not an unprimeable number, because it can be changed into a prime (45257741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209 + ... + 11360.

It is an arithmetic number, because the mean of its divisors is an integer number (2614416).

Almost surely, 2^45257744 is an apocalyptic number.

It is an amenable number.

45257744 is an abundant number, since it is smaller than the sum of its proper divisors (59318896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45257744 is a wasteful number, since it uses less digits than its factorization.

45257744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17607 (or 17601 counting only the distinct ones).

The product of its digits is 156800, while the sum is 38.

The square root of 45257744 is about 6727.3876058987. The cubic root of 45257744 is about 356.3671253744.

The spelling of 45257744 in words is "forty-five million, two hundred fifty-seven thousand, seven hundred forty-four".