148581422 has 16 divisors (see below), whose sum is σ = 243475632. Its totient is φ = 67441920.

The previous prime is 148581397. The next prime is 148581427. The reversal of 148581422 is 224185841.

148581422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148581427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12638 + ... + 21374.

It is an arithmetic number, because the mean of its divisors is an integer number (15217227).

Almost surely, 2^148581422 is an apocalyptic number.

148581422 is a deficient number, since it is larger than the sum of its proper divisors (94894210).

148581422 is a wasteful number, since it uses less digits than its factorization.

148581422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523.

The product of its digits is 20480, while the sum is 35.

The square root of 148581422 is about 12189.3979342706. The cubic root of 148581422 is about 529.6490164614.

The spelling of 148581422 in words is "one hundred forty-eight million, five hundred eighty-one thousand, four hundred twenty-two".