148949293 has 2 divisors, whose sum is σ = 148949294. Its totient is φ = 148949292.

The previous prime is 148949279. The next prime is 148949299. The reversal of 148949293 is 392949841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 7767369 = 11882^2 + 2787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148949293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148949299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74474646 + 74474647.

It is an arithmetic number, because the mean of its divisors is an integer number (74474647).

Almost surely, 2^148949293 is an apocalyptic number.

It is an amenable number.

148949293 is a deficient number, since it is larger than the sum of its proper divisors (1).

148949293 is an equidigital number, since it uses as much as digits as its factorization.

148949293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 148949293 is about 12204.4783993418. The cubic root of 148949293 is about 530.0857734681.

The spelling of 148949293 in words is "one hundred forty-eight million, nine hundred forty-nine thousand, two hundred ninety-three".