146231065 has 8 divisors (see below), whose sum is σ = 175542408. Its totient is φ = 116941440.

The previous prime is 146231039. The next prime is 146231077. The reversal of 146231065 is 560132641.

It can be written as a sum of positive squares in 4 ways, for example, as 43877376 + 102353689 = 6624^2 + 10117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146231065 - 2¹³ = 146222873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21925 + ... + 27805.

It is an arithmetic number, because the mean of its divisors is an integer number (21942801).

Almost surely, 2^146231065 is an apocalyptic number.

It is an amenable number.

146231065 is a deficient number, since it is larger than the sum of its proper divisors (29311343).

146231065 is an equidigital number, since it uses as much as digits as its factorization.

146231065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 146231065 is about 12092.6037312069. The cubic root of 146231065 is about 526.8413828192.

The spelling of 146231065 in words is "one hundred forty-six million, two hundred thirty-one thousand, sixty-five".