148819459 has 4 divisors (see below), whose sum is σ = 148922920. Its totient is φ = 148716000.

The previous prime is 148819441. The next prime is 148819469. The reversal of 148819459 is 954918841.

148819459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954918841 = 503 ⋅1898447.

It is a cyclic number.

It is not a de Polignac number, because 148819459 - 2⁵ = 148819427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148819469) 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, 49542 + ... + 52459.

It is an arithmetic number, because the mean of its divisors is an integer number (37230730).

Almost surely, 2^148819459 is an apocalyptic number.

148819459 is a deficient number, since it is larger than the sum of its proper divisors (103461).

148819459 is a wasteful number, since it uses less digits than its factorization.

148819459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103460.

The product of its digits is 414720, while the sum is 49.

The square root of 148819459 is about 12199.1581266905. The cubic root of 148819459 is about 529.9317094876.

The spelling of 148819459 in words is "one hundred forty-eight million, eight hundred nineteen thousand, four hundred fifty-nine".