161442344 has 32 divisors (see below), whose sum is σ = 346420800. Its totient is φ = 69095040.

The previous prime is 161442343. The next prime is 161442361. The reversal of 161442344 is 443244161.

161442344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161442341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52892 + ... + 55860.

It is an arithmetic number, because the mean of its divisors is an integer number (10825650).

Almost surely, 2^161442344 is an apocalyptic number.

161442344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

161442344 is an abundant number, since it is smaller than the sum of its proper divisors (184978456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161442344 is a wasteful number, since it uses less digits than its factorization.

161442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3949 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 161442344 is about 12705.9963796626. The cubic root of 161442344 is about 544.5099475017.

The spelling of 161442344 in words is "one hundred sixty-one million, four hundred forty-two thousand, three hundred forty-four".