48640145 has 24 divisors (see below), whose sum is σ = 63593208. Its totient is φ = 35686400.

The previous prime is 48640129. The next prime is 48640153. The reversal of 48640145 is 54104684.

It can be written as a sum of positive squares in 12 ways, for example, as 14077504 + 34562641 = 3752^2 + 5879^2 .

It is not a de Polignac number, because 48640145 - 2⁴ = 48640129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58835 + ... + 59655.

It is an arithmetic number, because the mean of its divisors is an integer number (2649717).

Almost surely, 2^48640145 is an apocalyptic number.

It is an amenable number.

48640145 is a deficient number, since it is larger than the sum of its proper divisors (14953063).

48640145 is a wasteful number, since it uses less digits than its factorization.

48640145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 48640145 is about 6974.2487050578. The cubic root of 48640145 is about 365.0325735613.

The spelling of 48640145 in words is "forty-eight million, six hundred forty thousand, one hundred forty-five".