148959999 has 16 divisors (see below), whose sum is σ = 221320800. Its totient is φ = 99019008.

The previous prime is 148959997. The next prime is 148960003. The reversal of 148959999 is 999959841.

It is not a de Polignac number, because 148959999 - 2¹ = 148959997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148959997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717 + ... + 17345.

It is an arithmetic number, because the mean of its divisors is an integer number (13832550).

Almost surely, 2^148959999 is an apocalyptic number.

148959999 is a deficient number, since it is larger than the sum of its proper divisors (72360801).

148959999 is a wasteful number, since it uses less digits than its factorization.

148959999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15991 (or 15985 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 63.

The square root of 148959999 is about 12204.9170009468. The cubic root of 148959999 is about 530.0984734553.

The spelling of 148959999 in words is "one hundred forty-eight million, nine hundred fifty-nine thousand, nine hundred ninety-nine".