45622439 has 4 divisors (see below), whose sum is σ = 48023640. Its totient is φ = 43221240.

The previous prime is 45622433. The next prime is 45622457. The reversal of 45622439 is 93422654.

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 45622439 - 2¹² = 45618343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45622399 and 45622408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45622433) 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, 1200572 + ... + 1200609.

It is an arithmetic number, because the mean of its divisors is an integer number (12005910).

Almost surely, 2^45622439 is an apocalyptic number.

45622439 is a deficient number, since it is larger than the sum of its proper divisors (2401201).

45622439 is a wasteful number, since it uses less digits than its factorization.

45622439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401200.

The product of its digits is 51840, while the sum is 35.

The square root of 45622439 is about 6754.4384666677. The cubic root of 45622439 is about 357.3217890204.

The spelling of 45622439 in words is "forty-five million, six hundred twenty-two thousand, four hundred thirty-nine".