148379449 has 2 divisors, whose sum is σ = 148379450. Its totient is φ = 148379448.

The previous prime is 148379419. The next prime is 148379461. The reversal of 148379449 is 944973841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148060224 + 319225 = 12168^2 + 565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148379449 is a prime.

It is not a weakly prime, because it can be changed into another prime (148379419) 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, 74189724 + 74189725.

It is an arithmetic number, because the mean of its divisors is an integer number (74189725).

Almost surely, 2^148379449 is an apocalyptic number.

It is an amenable number.

148379449 is a deficient number, since it is larger than the sum of its proper divisors (1).

148379449 is an equidigital number, since it uses as much as digits as its factorization.

148379449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 148379449 is about 12181.1103352691. The cubic root of 148379449 is about 529.4089162125.

The spelling of 148379449 in words is "one hundred forty-eight million, three hundred seventy-nine thousand, four hundred forty-nine".