161442202 has 8 divisors (see below), whose sum is σ = 254908800. Its totient is φ = 76472604.

The previous prime is 161442191. The next prime is 161442247. The reversal of 161442202 is 202244161.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124202 + ... + 2124277.

It is an arithmetic number, because the mean of its divisors is an integer number (31863600).

Almost surely, 2^161442202 is an apocalyptic number.

161442202 is a deficient number, since it is larger than the sum of its proper divisors (93466598).

161442202 is a wasteful number, since it uses less digits than its factorization.

161442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248500.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 161442202 is about 12705.9907917486. The cubic root of 161442202 is about 544.5097878566.

Adding to 161442202 its reverse (202244161), we get a palindrome (363686363).

The spelling of 161442202 in words is "one hundred sixty-one million, four hundred forty-two thousand, two hundred two".