161422342 has 16 divisors (see below), whose sum is σ = 249017040. Its totient is φ = 78422688.

The previous prime is 161422337. The next prime is 161422343. The reversal of 161422342 is 243224161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161422343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95884 + ... + 97552.

It is an arithmetic number, because the mean of its divisors is an integer number (15563565).

Almost surely, 2^161422342 is an apocalyptic number.

161422342 is a deficient number, since it is larger than the sum of its proper divisors (87594698).

161422342 is a wasteful number, since it uses less digits than its factorization.

161422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its digits is 2304, while the sum is 25.

The square root of 161422342 is about 12705.2092466043. The cubic root of 161422342 is about 544.4874591063.

The spelling of 161422342 in words is "one hundred sixty-one million, four hundred twenty-two thousand, three hundred forty-two".