45046421 has 8 divisors (see below), whose sum is σ = 51522240. Its totient is φ = 38580768.

The previous prime is 45046403. The next prime is 45046423. The reversal of 45046421 is 12464054.

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

It is a cyclic number.

It is not a de Polignac number, because 45046421 - 2⁶ = 45046357 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45046423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15905 + ... + 18521.

It is an arithmetic number, because the mean of its divisors is an integer number (6440280).

Almost surely, 2^45046421 is an apocalyptic number.

It is an amenable number.

45046421 is a deficient number, since it is larger than the sum of its proper divisors (6475819).

45046421 is a wasteful number, since it uses less digits than its factorization.

45046421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45046421 is about 6711.6630576929. The cubic root of 45046421 is about 355.8115954864.

The spelling of 45046421 in words is "forty-five million, forty-six thousand, four hundred twenty-one".