148873961 has 2 divisors, whose sum is σ = 148873962. Its totient is φ = 148873960.

The previous prime is 148873943. The next prime is 148874017. The reversal of 148873961 is 169378841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 35046400 = 10669^2 + 5920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148873961 is a prime.

It is not a weakly prime, because it can be changed into another prime (148873261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74436980 + 74436981.

It is an arithmetic number, because the mean of its divisors is an integer number (74436981).

Almost surely, 2^148873961 is an apocalyptic number.

It is an amenable number.

148873961 is a deficient number, since it is larger than the sum of its proper divisors (1).

148873961 is an equidigital number, since it uses as much as digits as its factorization.

148873961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 148873961 is about 12201.3917648767. The cubic root of 148873961 is about 529.9963937099.

The spelling of 148873961 in words is "one hundred forty-eight million, eight hundred seventy-three thousand, nine hundred sixty-one".