148635009 has 12 divisors (see below), whose sum is σ = 219263616. Its totient is φ = 96981432.

The previous prime is 148635007. The next prime is 148635017. The reversal of 148635009 is 900536841.

148635009 is a `hidden beast` number, since 14 + 8 + 635 + 0 + 0 + 9 = 666.

148635009 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 148635009 - 2¹ = 148635007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148635001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175269 + ... + 176114.

It is an arithmetic number, because the mean of its divisors is an integer number (18271968).

Almost surely, 2^148635009 is an apocalyptic number.

It is an amenable number.

148635009 is a deficient number, since it is larger than the sum of its proper divisors (70628607).

148635009 is a wasteful number, since it uses less digits than its factorization.

148635009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351436 (or 351433 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 148635009 is about 12191.5958348364. The cubic root of 148635009 is about 529.7126827665.

The spelling of 148635009 in words is "one hundred forty-eight million, six hundred thirty-five thousand, nine".