148499831 has 2 divisors, whose sum is σ = 148499832. Its totient is φ = 148499830.

The previous prime is 148499809. The next prime is 148499851. The reversal of 148499831 is 138994841.

It is a strong prime.

It is an emirp because it is prime and its reverse (138994841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148499831 is a prime.

It is a super-2 number, since 2×148499831² = 44104399614057122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148499851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74249915 + 74249916.

It is an arithmetic number, because the mean of its divisors is an integer number (74249916).

Almost surely, 2^148499831 is an apocalyptic number.

148499831 is a deficient number, since it is larger than the sum of its proper divisors (1).

148499831 is an equidigital number, since it uses as much as digits as its factorization.

148499831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 148499831 is about 12186.0506727980. The cubic root of 148499831 is about 529.5520494137.

The spelling of 148499831 in words is "one hundred forty-eight million, four hundred ninety-nine thousand, eight hundred thirty-one".