1600144430146 has 4 divisors (see below), whose sum is σ = 2400216645222. Its totient is φ = 800072215072.

The previous prime is 1600144430051. The next prime is 1600144430191. The reversal of 1600144430146 is 6410344410061.

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., 1048524800625 + 551619629521 = 1023975^2 + 742711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400036107535 + ... + 400036107538.

Almost surely, 2^{1600144430146} is an apocalyptic number.

1600144430146 is a deficient number, since it is larger than the sum of its proper divisors (800072215076).

1600144430146 is an equidigital number, since it uses as much as digits as its factorization.

1600144430146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800072215075.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 1600144430146 in words is "one trillion, six hundred billion, one hundred forty-four million, four hundred thirty thousand, one hundred forty-six".