162520142 has 8 divisors (see below), whose sum is σ = 246717576. Its totient is φ = 80280952.

The previous prime is 162520109. The next prime is 162520151. The reversal of 162520142 is 241025261.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489353 + ... + 489684.

It is an arithmetic number, because the mean of its divisors is an integer number (30839697).

Almost surely, 2^162520142 is an apocalyptic number.

162520142 is a deficient number, since it is larger than the sum of its proper divisors (84197434).

162520142 is an equidigital number, since it uses as much as digits as its factorization.

162520142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979122.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 162520142 is about 12748.3387937409. The cubic root of 162520142 is about 545.7189870970.

The spelling of 162520142 in words is "one hundred sixty-two million, five hundred twenty thousand, one hundred forty-two".