45257743 has 8 divisors (see below), whose sum is σ = 46309536. Its totient is φ = 44217600.

The previous prime is 45257741. The next prime is 45257747. The reversal of 45257743 is 34775254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45257743 - 2¹ = 45257741 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5203 + ... + 10843.

It is an arithmetic number, because the mean of its divisors is an integer number (5788692).

Almost surely, 2^45257743 is an apocalyptic number.

45257743 is a deficient number, since it is larger than the sum of its proper divisors (1051793).

45257743 is a wasteful number, since it uses less digits than its factorization.

45257743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825.

The product of its digits is 117600, while the sum is 37.

The square root of 45257743 is about 6727.3875315757. The cubic root of 45257743 is about 356.3671227497.

The spelling of 45257743 in words is "forty-five million, two hundred fifty-seven thousand, seven hundred forty-three".