148499109 has 32 divisors (see below), whose sum is σ = 250444800. Its totient is φ = 86082480.

The previous prime is 148499107. The next prime is 148499119. The reversal of 148499109 is 901994841.

148499109 is a `hidden beast` number, since 148 + 499 + 10 + 9 = 666.

It is not a de Polignac number, because 148499109 - 2¹ = 148499107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148499107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4039 + ... + 17700.

It is an arithmetic number, because the mean of its divisors is an integer number (7826400).

Almost surely, 2^148499109 is an apocalyptic number.

It is an amenable number.

148499109 is a deficient number, since it is larger than the sum of its proper divisors (101945691).

148499109 is a wasteful number, since it uses less digits than its factorization.

148499109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21782 (or 21776 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 148499109 is about 12186.0210487263. The cubic root of 148499109 is about 529.5511911923.

The spelling of 148499109 in words is "one hundred forty-eight million, four hundred ninety-nine thousand, one hundred nine".