45870438 has 8 divisors (see below), whose sum is σ = 91740888. Its totient is φ = 15290144.

The previous prime is 45870401. The next prime is 45870439. The reversal of 45870438 is 83407854.

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

45870438 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45870396 and 45870405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45870439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822531 + ... + 3822542.

It is an arithmetic number, because the mean of its divisors is an integer number (11467611).

Almost surely, 2^45870438 is an apocalyptic number.

45870438 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.

45870438 is a wasteful number, since it uses less digits than its factorization.

45870438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645078.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 45870438 is about 6772.7718107138. The cubic root of 45870438 is about 357.9680745123.

The spelling of 45870438 in words is "forty-five million, eight hundred seventy thousand, four hundred thirty-eight".