45642343 has 4 divisors (see below), whose sum is σ = 46323640. Its totient is φ = 44961048.

The previous prime is 45642319. The next prime is 45642347. The reversal of 45642343 is 34324654.

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 45642343 - 2¹³ = 45634151 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 (45642347) 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, 340548 + ... + 340681.

It is an arithmetic number, because the mean of its divisors is an integer number (11580910).

Almost surely, 2^45642343 is an apocalyptic number.

45642343 is a deficient number, since it is larger than the sum of its proper divisors (681297).

45642343 is an equidigital number, since it uses as much as digits as its factorization.

45642343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296.

The product of its digits is 34560, while the sum is 31.

The square root of 45642343 is about 6755.9117075344. The cubic root of 45642343 is about 357.3737451704.

Adding to 45642343 its reverse (34324654), we get a palindrome (79966997).

The spelling of 45642343 in words is "forty-five million, six hundred forty-two thousand, three hundred forty-three".