162142770 has 128 divisors (see below), whose sum is σ = 449452800. Its totient is φ = 37158912.

The previous prime is 162142759. The next prime is 162142793. The reversal of 162142770 is 77241261.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 280722 + ... + 281298.

It is an arithmetic number, because the mean of its divisors is an integer number (3511350).

Almost surely, 2^162142770 is an apocalyptic number.

162142770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162142770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224726400).

162142770 is an abundant number, since it is smaller than the sum of its proper divisors (287310030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162142770 is a wasteful number, since it uses less digits than its factorization.

162142770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 162142770 is about 12733.5293614928. The cubic root of 162142770 is about 545.2962729933.

The spelling of 162142770 in words is "one hundred sixty-two million, one hundred forty-two thousand, seven hundred seventy".