148428422 has 4 divisors (see below), whose sum is σ = 222642636. Its totient is φ = 74214210.

The previous prime is 148428421. The next prime is 148428443. The reversal of 148428422 is 224824841.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148428421) 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 as a sum of consecutive naturals, namely, 37107104 + ... + 37107107.

It is an arithmetic number, because the mean of its divisors is an integer number (55660659).

Almost surely, 2^148428422 is an apocalyptic number.

148428422 is a deficient number, since it is larger than the sum of its proper divisors (74214214).

148428422 is an equidigital number, since it uses as much as digits as its factorization.

148428422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74214213.

The product of its digits is 32768, while the sum is 35.

The square root of 148428422 is about 12183.1203720558. The cubic root of 148428422 is about 529.4671540416.

The spelling of 148428422 in words is "one hundred forty-eight million, four hundred twenty-eight thousand, four hundred twenty-two".