148868831 has 2 divisors, whose sum is σ = 148868832. Its totient is φ = 148868830.

The previous prime is 148868809. The next prime is 148868843. The reversal of 148868831 is 138868841.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (138868841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148868831 is a prime.

It is a super-2 number, since 2×148868831² = 44323857686613122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148864831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74434415 + 74434416.

It is an arithmetic number, because the mean of its divisors is an integer number (74434416).

Almost surely, 2^148868831 is an apocalyptic number.

148868831 is a deficient number, since it is larger than the sum of its proper divisors (1).

148868831 is an equidigital number, since it uses as much as digits as its factorization.

148868831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 47.

The square root of 148868831 is about 12201.1815411459. The cubic root of 148868831 is about 529.9903059815.

The spelling of 148868831 in words is "one hundred forty-eight million, eight hundred sixty-eight thousand, eight hundred thirty-one".