146216494 has 4 divisors (see below), whose sum is σ = 219324744. Its totient is φ = 73108246.

The previous prime is 146216467. The next prime is 146216509. The reversal of 146216494 is 494612641.

146216494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36554122 + ... + 36554125.

It is an arithmetic number, because the mean of its divisors is an integer number (54831186).

Almost surely, 2^146216494 is an apocalyptic number.

146216494 is a deficient number, since it is larger than the sum of its proper divisors (73108250).

146216494 is an equidigital number, since it uses as much as digits as its factorization.

146216494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73108249.

The product of its digits is 41472, while the sum is 37.

The square root of 146216494 is about 12092.0012404895. The cubic root of 146216494 is about 526.8238834349.

It can be divided in two parts, 14621 and 6494, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 146216494 in words is "one hundred forty-six million, two hundred sixteen thousand, four hundred ninety-four".