161334245 has 8 divisors (see below), whose sum is σ = 198833784. Its totient is φ = 125578944.

The previous prime is 161334227. The next prime is 161334287. The reversal of 161334245 is 542433161.

It can be written as a sum of positive squares in 4 ways, for example, as 68674369 + 92659876 = 8287^2 + 9626^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 161334245 - 2⁶ = 161334181 is a prime.

It is a Duffinian number.

It is a congruent 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, 435854 + ... + 436223.

It is an arithmetic number, because the mean of its divisors is an integer number (24854223).

Almost surely, 2^161334245 is an apocalyptic number.

It is an amenable number.

161334245 is a deficient number, since it is larger than the sum of its proper divisors (37499539).

161334245 is an equidigital number, since it uses as much as digits as its factorization.

161334245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872119.

The product of its digits is 8640, while the sum is 29.

The square root of 161334245 is about 12701.7418096889. The cubic root of 161334245 is about 544.3883888869.

The spelling of 161334245 in words is "one hundred sixty-one million, three hundred thirty-four thousand, two hundred forty-five".