148876997 has 2 divisors, whose sum is σ = 148876998. Its totient is φ = 148876996.

The previous prime is 148876991. The next prime is 148877009. The reversal of 148876997 is 799678841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113188321 + 35688676 = 10639^2 + 5974^2 .

It is a cyclic number.

It is not a de Polignac number, because 148876997 - 2¹⁰ = 148875973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148876991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74438498 + 74438499.

It is an arithmetic number, because the mean of its divisors is an integer number (74438499).

Almost surely, 2^148876997 is an apocalyptic number.

It is an amenable number.

148876997 is a deficient number, since it is larger than the sum of its proper divisors (1).

148876997 is an equidigital number, since it uses as much as digits as its factorization.

148876997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The square root of 148876997 is about 12201.5161762791. The cubic root of 148876997 is about 529.9999964400. Note that the first 5 decimals are identical.

The spelling of 148876997 in words is "one hundred forty-eight million, eight hundred seventy-six thousand, nine hundred ninety-seven".