148055491 has 2 divisors, whose sum is σ = 148055492. Its totient is φ = 148055490.

The previous prime is 148055477. The next prime is 148055513. The reversal of 148055491 is 194550841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148055491 - 2⁵ = 148055459 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 148055491.

It is not a weakly prime, because it can be changed into another prime (148055441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74027745 + 74027746.

It is an arithmetic number, because the mean of its divisors is an integer number (74027746).

Almost surely, 2^148055491 is an apocalyptic number.

148055491 is a deficient number, since it is larger than the sum of its proper divisors (1).

148055491 is an equidigital number, since it uses as much as digits as its factorization.

148055491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 148055491 is about 12167.8055129099. The cubic root of 148055491 is about 529.0233479427.

The spelling of 148055491 in words is "one hundred forty-eight million, fifty-five thousand, four hundred ninety-one".