148949199 has 20 divisors (see below), whose sum is σ = 254291664. Its totient is φ = 85113504.

The previous prime is 148949149. The next prime is 148949209. The reversal of 148949199 is 991949841.

148949199 is a `hidden beast` number, since 148 + 9 + 491 + 9 + 9 = 666.

It is not a de Polignac number, because 148949199 - 2¹³ = 148941007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148949149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 130782 + ... + 131915.

Almost surely, 2^148949199 is an apocalyptic number.

148949199 is a deficient number, since it is larger than the sum of its proper divisors (105342465).

148949199 is an equidigital number, since it uses as much as digits as its factorization.

148949199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262716 (or 262707 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 148949199 is about 12204.4745482958. The cubic root of 148949199 is about 530.0856619580.

The spelling of 148949199 in words is "one hundred forty-eight million, nine hundred forty-nine thousand, one hundred ninety-nine".