148419489 has 4 divisors (see below), whose sum is σ = 197892656. Its totient is φ = 98946324.

The previous prime is 148419473. The next prime is 148419493. The reversal of 148419489 is 984914841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984914841 = 3 ⋅328304947.

It is not a de Polignac number, because 148419489 - 2⁴ = 148419473 is a prime.

It is a super-2 number, since 2×148419489² = 44056689430042242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148419499) 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 in 3 ways as a sum of consecutive naturals, for example, 24736579 + ... + 24736584.

It is an arithmetic number, because the mean of its divisors is an integer number (49473164).

Almost surely, 2^148419489 is an apocalyptic number.

It is an amenable number.

148419489 is a deficient number, since it is larger than the sum of its proper divisors (49473167).

148419489 is an equidigital number, since it uses as much as digits as its factorization.

148419489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49473166.

The product of its digits is 331776, while the sum is 48.

The square root of 148419489 is about 12182.7537527441. The cubic root of 148419489 is about 529.4565320306.

The spelling of 148419489 in words is "one hundred forty-eight million, four hundred nineteen thousand, four hundred eighty-nine".