146161786 has 16 divisors (see below), whose sum is σ = 222479136. Its totient is φ = 72009616.

The previous prime is 146161781. The next prime is 146161793. The reversal of 146161786 is 687161641.

It is not an unprimeable number, because it can be changed into a prime (146161781) 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, 40425 + ... + 43891.

It is an arithmetic number, because the mean of its divisors is an integer number (13904946).

Almost surely, 2^146161786 is an apocalyptic number.

146161786 is a deficient number, since it is larger than the sum of its proper divisors (76317350).

146161786 is a wasteful number, since it uses less digits than its factorization.

146161786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its digits is 48384, while the sum is 40.

The square root of 146161786 is about 12089.7388722834. The cubic root of 146161786 is about 526.7581702003.

The spelling of 146161786 in words is "one hundred forty-six million, one hundred sixty-one thousand, seven hundred eighty-six".