148838357 has 2 divisors, whose sum is σ = 148838358. Its totient is φ = 148838356.

The previous prime is 148838341. The next prime is 148838369. The reversal of 148838357 is 753838841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146555236 + 2283121 = 12106^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 148838357 - 2⁴ = 148838341 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 (148838377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74419178 + 74419179.

It is an arithmetic number, because the mean of its divisors is an integer number (74419179).

Almost surely, 2^148838357 is an apocalyptic number.

It is an amenable number.

148838357 is a deficient number, since it is larger than the sum of its proper divisors (1).

148838357 is an equidigital number, since it uses as much as digits as its factorization.

148838357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 148838357 is about 12199.9326637486. The cubic root of 148838357 is about 529.9541398553.

The spelling of 148838357 in words is "one hundred forty-eight million, eight hundred thirty-eight thousand, three hundred fifty-seven".