148673919 has 16 divisors (see below), whose sum is σ = 204868224. Its totient is φ = 95844000.

The previous prime is 148673893. The next prime is 148673927. The reversal of 148673919 is 919376841.

It is a happy number.

It is not a de Polignac number, because 148673919 - 2⁵ = 148673887 is a prime.

It is a super-2 number, since 2×148673919² = 44207868381637122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148673969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7324 + ... + 18734.

It is an arithmetic number, because the mean of its divisors is an integer number (12804264).

Almost surely, 2^148673919 is an apocalyptic number.

148673919 is a deficient number, since it is larger than the sum of its proper divisors (56194305).

148673919 is a wasteful number, since it uses less digits than its factorization.

148673919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558.

The product of its digits is 326592, while the sum is 48.

The square root of 148673919 is about 12193.1915018177. The cubic root of 148673919 is about 529.7589018512.

The spelling of 148673919 in words is "one hundred forty-eight million, six hundred seventy-three thousand, nine hundred nineteen".