163755146 has 4 divisors (see below), whose sum is σ = 245632722. Its totient is φ = 81877572.

The previous prime is 163755139. The next prime is 163755157. The reversal of 163755146 is 641557361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162843121 + 912025 = 12761^2 + 955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40938785 + ... + 40938788.

Almost surely, 2^163755146 is an apocalyptic number.

163755146 is a deficient number, since it is larger than the sum of its proper divisors (81877576).

163755146 is an equidigital number, since it uses as much as digits as its factorization.

163755146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81877575.

The product of its digits is 75600, while the sum is 38.

The square root of 163755146 is about 12796.6849613484. The cubic root of 163755146 is about 547.0978215854.

The spelling of 163755146 in words is "one hundred sixty-three million, seven hundred fifty-five thousand, one hundred forty-six".