148619 has 4 divisors (see below), whose sum is σ = 149400. Its totient is φ = 147840.

The previous prime is 148609. The next prime is 148627. The reversal of 148619 is 916841.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148619 is a prime.

It is a super-2 number, since 2×148619² = 44175214322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 148591 and 148600.

It is not an unprimeable number, because it can be changed into a prime (148609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107 + ... + 555.

It is an arithmetic number, because the mean of its divisors is an integer number (37350).

2¹⁴⁸⁶¹⁹ is an apocalyptic number.

148619 is a deficient number, since it is larger than the sum of its proper divisors (781).

148619 is an equidigital number, since it uses as much as digits as its factorization.

148619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its digits is 1728, while the sum is 29.

The square root of 148619 is about 385.5113487305. The cubic root of 148619 is about 52.9693664199.

It can be divided in two parts, 148 and 619, that added together give a palindrome (767).

The spelling of 148619 in words is "one hundred forty-eight thousand, six hundred nineteen".