148154519 has 2 divisors, whose sum is σ = 148154520. Its totient is φ = 148154518.

The previous prime is 148154483. The next prime is 148154561. The reversal of 148154519 is 915451841.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (915451841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148154519 is a prime.

It is a super-2 number, since 2×148154519² = 43899523000242722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148154579) 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, 74077259 + 74077260.

It is an arithmetic number, because the mean of its divisors is an integer number (74077260).

Almost surely, 2^148154519 is an apocalyptic number.

148154519 is a deficient number, since it is larger than the sum of its proper divisors (1).

148154519 is an equidigital number, since it uses as much as digits as its factorization.

148154519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 38.

The square root of 148154519 is about 12171.8740956354. The cubic root of 148154519 is about 529.1412687034.

The spelling of 148154519 in words is "one hundred forty-eight million, one hundred fifty-four thousand, five hundred nineteen".