1146216442 has 16 divisors (see below), whose sum is σ = 1965405312. Its totient is φ = 491119920.

The previous prime is 1146216433. The next prime is 1146216443. The reversal of 1146216442 is 2446126411.

It is a super-2 number, since 2×1146216442² = 2627624263822278728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1146216443) 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, 81868 + ... + 94840.

It is an arithmetic number, because the mean of its divisors is an integer number (122837832).

Almost surely, 2^1146216442 is an apocalyptic number.

1146216442 is a deficient number, since it is larger than the sum of its proper divisors (819188870).

1146216442 is a wasteful number, since it uses less digits than its factorization.

1146216442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19293.

The product of its digits is 9216, while the sum is 31.

The square root of 1146216442 is about 33855.8184364224. The cubic root of 1146216442 is about 1046.5393069685.

The spelling of 1146216442 in words is "one billion, one hundred forty-six million, two hundred sixteen thousand, four hundred forty-two".