148899969 has 12 divisors (see below), whose sum is σ = 216028176. Its totient is φ = 98827992.

The previous prime is 148899967. The next prime is 148899973. The reversal of 148899969 is 969998841.

148899969 is a `hidden beast` number, since 1 + 488 + 9 + 99 + 69 = 666.

It is not a de Polignac number, because 148899969 - 2¹ = 148899967 is a prime.

It is a super-2 number, since 2×148899969² = 44342401536401922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148899967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34399 + ... + 38484.

It is an arithmetic number, because the mean of its divisors is an integer number (18002348).

Almost surely, 2^148899969 is an apocalyptic number.

It is an amenable number.

148899969 is a deficient number, since it is larger than the sum of its proper divisors (67128207).

148899969 is a wasteful number, since it uses less digits than its factorization.

148899969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73116 (or 73113 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 148899969 is about 12202.4574983894. The cubic root of 148899969 is about 530.0272550360.

The spelling of 148899969 in words is "one hundred forty-eight million, eight hundred ninety-nine thousand, nine hundred sixty-nine".