45343257 has 4 divisors (see below), whose sum is σ = 60457680. Its totient is φ = 30228836.

The previous prime is 45343231. The next prime is 45343271. The reversal of 45343257 is 75234354.

45343257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45343257 - 2¹¹ = 45341209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45343057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7557207 + ... + 7557212.

It is an arithmetic number, because the mean of its divisors is an integer number (15114420).

Almost surely, 2^45343257 is an apocalyptic number.

It is an amenable number.

45343257 is a deficient number, since it is larger than the sum of its proper divisors (15114423).

45343257 is a wasteful number, since it uses less digits than its factorization.

45343257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114422.

The product of its digits is 50400, while the sum is 33.

The square root of 45343257 is about 6733.7401939784. The cubic root of 45343257 is about 356.5914320986.

The spelling of 45343257 in words is "forty-five million, three hundred forty-three thousand, two hundred fifty-seven".