146871811 has 4 divisors (see below), whose sum is σ = 147844624. Its totient is φ = 145899000.

The previous prime is 146871797. The next prime is 146871821. The reversal of 146871811 is 118178641.

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

It is a cyclic number.

It is not a de Polignac number, because 146871811 - 2¹⁷ = 146740739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146871821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486180 + ... + 486481.

It is an arithmetic number, because the mean of its divisors is an integer number (36961156).

Almost surely, 2^146871811 is an apocalyptic number.

146871811 is a deficient number, since it is larger than the sum of its proper divisors (972813).

146871811 is an equidigital number, since it uses as much as digits as its factorization.

146871811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972812.

The product of its digits is 10752, while the sum is 37.

The square root of 146871811 is about 12119.0680747325. The cubic root of 146871811 is about 527.6097550197.

The spelling of 146871811 in words is "one hundred forty-six million, eight hundred seventy-one thousand, eight hundred eleven".