48451645 has 8 divisors (see below), whose sum is σ = 63427680. Its totient is φ = 35237520.

The previous prime is 48451621. The next prime is 48451679. The reversal of 48451645 is 54615484.

48451645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 48451645 - 2⁷ = 48451517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440415 + ... + 440524.

It is an arithmetic number, because the mean of its divisors is an integer number (7928460).

Almost surely, 2^48451645 is an apocalyptic number.

It is an amenable number.

48451645 is a deficient number, since it is larger than the sum of its proper divisors (14976035).

48451645 is a wasteful number, since it uses less digits than its factorization.

48451645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880955.

The product of its digits is 76800, while the sum is 37.

The square root of 48451645 is about 6960.7215861576. The cubic root of 48451645 is about 364.5604140658.

The spelling of 48451645 in words is "forty-eight million, four hundred fifty-one thousand, six hundred forty-five".