148633985 has 16 divisors (see below), whose sum is σ = 180641664. Its totient is φ = 117395712.

The previous prime is 148633967. The next prime is 148633987. The reversal of 148633985 is 589336841.

It is a cyclic number.

It is not a de Polignac number, because 148633985 - 2¹⁶ = 148568449 is a prime.

It is a super-2 number, since 2×148633985² = 44184122993960450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148633987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283934 + ... + 284456.

It is an arithmetic number, because the mean of its divisors is an integer number (11290104).

Almost surely, 2^148633985 is an apocalyptic number.

It is an amenable number.

148633985 is a deficient number, since it is larger than the sum of its proper divisors (32007679).

148633985 is a wasteful number, since it uses less digits than its factorization.

148633985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its digits is 622080, while the sum is 47.

The square root of 148633985 is about 12191.5538386212. The cubic root of 148633985 is about 529.7114663033.

The spelling of 148633985 in words is "one hundred forty-eight million, six hundred thirty-three thousand, nine hundred eighty-five".