146021044306 has 4 divisors (see below), whose sum is σ = 219031566462. Its totient is φ = 73010522152.

The previous prime is 146021044291. The next prime is 146021044321. The reversal of 146021044306 is 603440120641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603440120641 = 47 ⋅12839151503.

It is an interprime number because it is at equal distance from previous prime (146021044291) and next prime (146021044321).

It can be written as a sum of positive squares in only one way, i.e., 136278367281 + 9742677025 = 369159^2 + 98705^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36505261075 + ... + 36505261078.

Almost surely, 2^146021044306 is an apocalyptic number.

146021044306 is a deficient number, since it is larger than the sum of its proper divisors (73010522156).

146021044306 is an equidigital number, since it uses as much as digits as its factorization.

146021044306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73010522155.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 146021044306 its reverse (603440120641), we get a palindrome (749461164947).

The spelling of 146021044306 in words is "one hundred forty-six billion, twenty-one million, forty-four thousand, three hundred six".