45120743 has 4 divisors (see below), whose sum is σ = 45308208. Its totient is φ = 44933280.

The previous prime is 45120731. The next prime is 45120749. The reversal of 45120743 is 34702154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45120743 - 2⁴ = 45120727 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 (45120749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93371 + ... + 93852.

It is an arithmetic number, because the mean of its divisors is an integer number (11327052).

Almost surely, 2^45120743 is an apocalyptic number.

45120743 is a deficient number, since it is larger than the sum of its proper divisors (187465).

45120743 is a wasteful number, since it uses less digits than its factorization.

45120743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187464.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45120743 is about 6717.1975555286. The cubic root of 45120743 is about 356.0071722454.

Adding to 45120743 its reverse (34702154), we get a palindrome (79822897).

The spelling of 45120743 in words is "forty-five million, one hundred twenty thousand, seven hundred forty-three".