148951899 has 16 divisors (see below), whose sum is σ = 226635040. Its totient is φ = 96616800.

The previous prime is 148951867. The next prime is 148951903. The reversal of 148951899 is 998159841.

148951899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148951899 - 2⁵ = 148951867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148951819) 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, 73552 + ... + 75549.

It is an arithmetic number, because the mean of its divisors is an integer number (14164690).

Almost surely, 2^148951899 is an apocalyptic number.

148951899 is a deficient number, since it is larger than the sum of its proper divisors (77683141).

148951899 is a wasteful number, since it uses less digits than its factorization.

148951899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149147 (or 149141 counting only the distinct ones).

The product of its digits is 933120, while the sum is 54.

The square root of 148951899 is about 12204.5851629623. The cubic root of 148951899 is about 530.0888648904.

The spelling of 148951899 in words is "one hundred forty-eight million, nine hundred fifty-one thousand, eight hundred ninety-nine".