45783438 has 8 divisors (see below), whose sum is σ = 91566888. Its totient is φ = 15261144.

The previous prime is 45783421. The next prime is 45783473. The reversal of 45783438 is 83438754.

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

45783438 is an admirable number.

It is a super-2 number, since 2×45783438² = 4192246390199688, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45783438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815281 + ... + 3815292.

It is an arithmetic number, because the mean of its divisors is an integer number (11445861).

Almost surely, 2^45783438 is an apocalyptic number.

45783438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45783438 is a wasteful number, since it uses less digits than its factorization.

45783438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630578.

The product of its digits is 322560, while the sum is 42.

The square root of 45783438 is about 6766.3459858331. The cubic root of 45783438 is about 357.7416183324.

The spelling of 45783438 in words is "forty-five million, seven hundred eighty-three thousand, four hundred thirty-eight".