146306143442 has 4 divisors (see below), whose sum is σ = 219459215166. Its totient is φ = 73153071720.

The previous prime is 146306143439. The next prime is 146306143453. The reversal of 146306143442 is 244341603641.

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

It can be written as a sum of positive squares in only one way, i.e., 142001602561 + 4304540881 = 376831^2 + 65609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146306143396 and 146306143405.

It is an unprimeable number.

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, 36576535859 + ... + 36576535862.

Almost surely, 2^146306143442 is an apocalyptic number.

146306143442 is a deficient number, since it is larger than the sum of its proper divisors (73153071724).

146306143442 is an equidigital number, since it uses as much as digits as its factorization.

146306143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73153071723.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 146306143442 in words is "one hundred forty-six billion, three hundred six million, one hundred forty-three thousand, four hundred forty-two".