148078961 has 2 divisors, whose sum is σ = 148078962. Its totient is φ = 148078960.

The previous prime is 148078933. The next prime is 148078963. The reversal of 148078961 is 169870841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135582736 + 12496225 = 11644^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 148078961 - 2⁶ = 148078897 is a prime.

Together with 148078963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148078963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74039480 + 74039481.

It is an arithmetic number, because the mean of its divisors is an integer number (74039481).

Almost surely, 2^148078961 is an apocalyptic number.

It is an amenable number.

148078961 is a deficient number, since it is larger than the sum of its proper divisors (1).

148078961 is an equidigital number, since it uses as much as digits as its factorization.

148078961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 148078961 is about 12168.7699049657. The cubic root of 148078961 is about 529.0513003495.

The spelling of 148078961 in words is "one hundred forty-eight million, seventy-eight thousand, nine hundred sixty-one".