148817961 has 12 divisors (see below), whose sum is σ = 215074288. Its totient is φ = 99158904.

The previous prime is 148817957. The next prime is 148817989. The reversal of 148817961 is 169718841.

It is a happy number.

It is not a de Polignac number, because 148817961 - 2² = 148817957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148817951) 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 11 ways as a sum of consecutive naturals, for example, 21066 + ... + 27228.

Almost surely, 2^148817961 is an apocalyptic number.

It is an amenable number.

148817961 is a deficient number, since it is larger than the sum of its proper divisors (66256327).

148817961 is a wasteful number, since it uses less digits than its factorization.

148817961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852 (or 8849 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 148817961 is about 12199.0967288566. The cubic root of 148817961 is about 529.9299314039.

The spelling of 148817961 in words is "one hundred forty-eight million, eight hundred seventeen thousand, nine hundred sixty-one".