165430142 has 8 divisors (see below), whose sum is σ = 251640432. Its totient is φ = 81550000.

The previous prime is 165430141. The next prime is 165430147. The reversal of 165430142 is 241034561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165430141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582359 + ... + 582642.

It is an arithmetic number, because the mean of its divisors is an integer number (31455054).

Almost surely, 2^165430142 is an apocalyptic number.

165430142 is a deficient number, since it is larger than the sum of its proper divisors (86210290).

165430142 is a wasteful number, since it uses less digits than its factorization.

165430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165074.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 165430142 is about 12861.9649354210. The cubic root of 165430142 is about 548.9568569608.

The spelling of 165430142 in words is "one hundred sixty-five million, four hundred thirty thousand, one hundred forty-two".