148940879 has 2 divisors, whose sum is σ = 148940880. Its totient is φ = 148940878.

The previous prime is 148940861. The next prime is 148940887. The reversal of 148940879 is 978049841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148940879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148940819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74470439 + 74470440.

It is an arithmetic number, because the mean of its divisors is an integer number (74470440).

Almost surely, 2^148940879 is an apocalyptic number.

148940879 is a deficient number, since it is larger than the sum of its proper divisors (1).

148940879 is an equidigital number, since it uses as much as digits as its factorization.

148940879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 148940879 is about 12204.1336849446. The cubic root of 148940879 is about 530.0757919377.

The spelling of 148940879 in words is "one hundred forty-eight million, nine hundred forty thousand, eight hundred seventy-nine".