148331279 has 2 divisors, whose sum is σ = 148331280. Its totient is φ = 148331278.

The previous prime is 148331231. The next prime is 148331291. The reversal of 148331279 is 972133841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148331279 - 2⁸ = 148331023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148330279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74165639 + 74165640.

It is an arithmetic number, because the mean of its divisors is an integer number (74165640).

Almost surely, 2^148331279 is an apocalyptic number.

148331279 is a deficient number, since it is larger than the sum of its proper divisors (1).

148331279 is an equidigital number, since it uses as much as digits as its factorization.

148331279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 148331279 is about 12179.1329330129. The cubic root of 148331279 is about 529.3516207946.

The spelling of 148331279 in words is "one hundred forty-eight million, three hundred thirty-one thousand, two hundred seventy-nine".