161142002 has 32 divisors (see below), whose sum is σ = 303436800. Its totient is φ = 62579088.

The previous prime is 161141977. The next prime is 161142011. The reversal of 161142002 is 200241161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7052 + ... + 19287.

It is an arithmetic number, because the mean of its divisors is an integer number (9482400).

Almost surely, 2^161142002 is an apocalyptic number.

161142002 is a deficient number, since it is larger than the sum of its proper divisors (142294798).

161142002 is a wasteful number, since it uses less digits than its factorization.

161142002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26390.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 161142002 is about 12694.1719698451. The cubic root of 161142002 is about 544.1720751239.

Adding to 161142002 its reverse (200241161), we get a palindrome (361383163).

The spelling of 161142002 in words is "one hundred sixty-one million, one hundred forty-two thousand, two".