148148519 has 4 divisors (see below), whose sum is σ = 148672296. Its totient is φ = 147624744.

The previous prime is 148148479. The next prime is 148148521. The reversal of 148148519 is 915841841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 915841841 = 101 ⋅9067741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148148519 is a prime.

It is a super-2 number, since 2×148148519² = 43895967363786722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148148579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261464 + ... + 262029.

It is an arithmetic number, because the mean of its divisors is an integer number (37168074).

Almost surely, 2^148148519 is an apocalyptic number.

148148519 is a deficient number, since it is larger than the sum of its proper divisors (523777).

148148519 is an equidigital number, since it uses as much as digits as its factorization.

148148519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523776.

The product of its digits is 46080, while the sum is 41.

The square root of 148148519 is about 12171.6276232885. The cubic root of 148148519 is about 529.1341255070.

The spelling of 148148519 in words is "one hundred forty-eight million, one hundred forty-eight thousand, five hundred nineteen".