146422242 has 20 divisors (see below), whose sum is σ = 328094646. Its totient is φ = 48807360.

The previous prime is 146422229. The next prime is 146422253. The reversal of 146422242 is 242224641.

146422242 is a `hidden beast` number, since 14 + 642 + 2 + 2 + 4 + 2 = 666.

146422242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 89132481 + 57289761 = 9441^2 + 7569^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 451759 + ... + 452082.

Almost surely, 2^146422242 is an apocalyptic number.

146422242 is an abundant number, since it is smaller than the sum of its proper divisors (181672404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146422242 is an equidigital number, since it uses as much as digits as its factorization.

146422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903855 (or 903846 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 146422242 is about 12100.5058571946. The cubic root of 146422242 is about 527.0708737152.

Adding to 146422242 its reverse (242224641), we get a palindrome (388646883).

The spelling of 146422242 in words is "one hundred forty-six million, four hundred twenty-two thousand, two hundred forty-two".