48145840 has 20 divisors (see below), whose sum is σ = 111939264. Its totient is φ = 19258304.

The previous prime is 48145793. The next prime is 48145873. The reversal of 48145840 is 4854184.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 48145796 and 48145805.

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, 300832 + ... + 300991.

Almost surely, 2^48145840 is an apocalyptic number.

48145840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48145840 is an abundant number, since it is smaller than the sum of its proper divisors (63793424).

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

48145840 is a wasteful number, since it uses less digits than its factorization.

48145840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601836 (or 601830 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 48145840 is about 6938.7203431180. The cubic root of 48145840 is about 363.7918142946.

The spelling of 48145840 in words is "forty-eight million, one hundred forty-five thousand, eight hundred forty".