162645142 has 12 divisors (see below), whose sum is σ = 266244516. Its totient is φ = 73902420.

The previous prime is 162645107. The next prime is 162645169. The reversal of 162645142 is 241546261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58459 + ... + 61177.

It is an arithmetic number, because the mean of its divisors is an integer number (22187043).

Almost surely, 2^162645142 is an apocalyptic number.

162645142 is a deficient number, since it is larger than the sum of its proper divisors (103599374).

162645142 is an frugal number, since it uses more digits than its factorization.

162645142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451 (or 2732 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 162645142 is about 12753.2404509599. The cubic root of 162645142 is about 545.8588618456.

The spelling of 162645142 in words is "one hundred sixty-two million, six hundred forty-five thousand, one hundred forty-two".