148475865 has 16 divisors (see below), whose sum is σ = 238796928. Its totient is φ = 78775296.

The previous prime is 148475849. The next prime is 148475881. The reversal of 148475865 is 568574841.

It is an interprime number because it is at equal distance from previous prime (148475849) and next prime (148475881).

It is not a de Polignac number, because 148475865 - 2⁴ = 148475849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22749 + ... + 28538.

It is an arithmetic number, because the mean of its divisors is an integer number (14924808).

Almost surely, 2^148475865 is an apocalyptic number.

148475865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148475865 is a deficient number, since it is larger than the sum of its proper divisors (90321063).

148475865 is a wasteful number, since it uses less digits than its factorization.

148475865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51488.

The product of its digits is 1075200, while the sum is 48.

The square root of 148475865 is about 12185.0672956697. The cubic root of 148475865 is about 529.5235602068.

The spelling of 148475865 in words is "one hundred forty-eight million, four hundred seventy-five thousand, eight hundred sixty-five".