146161361 has 4 divisors (see below), whose sum is σ = 146185572. Its totient is φ = 146137152.

The previous prime is 146161331. The next prime is 146161369. The reversal of 146161361 is 163161641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 117592336 + 28569025 = 10844^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 146161361 - 2¹⁸ = 145899217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146161369) 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, 5141 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (36546393).

Almost surely, 2^146161361 is an apocalyptic number.

It is an amenable number.

146161361 is a deficient number, since it is larger than the sum of its proper divisors (24211).

146161361 is a wasteful number, since it uses less digits than its factorization.

146161361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24210.

The product of its digits is 2592, while the sum is 29.

The square root of 146161361 is about 12089.7212953815. The cubic root of 146161361 is about 526.7576596417.

The spelling of 146161361 in words is "one hundred forty-six million, one hundred sixty-one thousand, three hundred sixty-one".