148541919 has 4 divisors (see below), whose sum is σ = 198055896. Its totient is φ = 99027944.

The previous prime is 148541879. The next prime is 148541923. The reversal of 148541919 is 919145841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919145841 = 3 ⋅306381947.

It is a cyclic number.

It is not a de Polignac number, because 148541919 - 2¹³ = 148533727 is a prime.

It is a super-2 number, since 2×148541919² = 44129403400405122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148541969) 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, 24756984 + ... + 24756989.

It is an arithmetic number, because the mean of its divisors is an integer number (49513974).

Almost surely, 2^148541919 is an apocalyptic number.

148541919 is a deficient number, since it is larger than the sum of its proper divisors (49513977).

148541919 is an equidigital number, since it uses as much as digits as its factorization.

148541919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49513976.

The product of its digits is 51840, while the sum is 42.

The square root of 148541919 is about 12187.7774429959. Note that the first 3 decimals coincide. The cubic root of 148541919 is about 529.6020734468.

The spelling of 148541919 in words is "one hundred forty-eight million, five hundred forty-one thousand, nine hundred nineteen".