163303142 has 4 divisors (see below), whose sum is σ = 244954716. Its totient is φ = 81651570.

The previous prime is 163303109. The next prime is 163303199. The reversal of 163303142 is 241303361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241303361 = 13 ⋅18561797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40825784 + ... + 40825787.

It is an arithmetic number, because the mean of its divisors is an integer number (61238679).

Almost surely, 2^163303142 is an apocalyptic number.

163303142 is a deficient number, since it is larger than the sum of its proper divisors (81651574).

163303142 is an equidigital number, since it uses as much as digits as its factorization.

163303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81651573.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 163303142 is about 12779.0117771289. The cubic root of 163303142 is about 546.5939834129.

The spelling of 163303142 in words is "one hundred sixty-three million, three hundred three thousand, one hundred forty-two".