162045378 has 72 divisors (see below), whose sum is σ = 394377984. Its totient is φ = 48029520.

The previous prime is 162045361. The next prime is 162045379. The reversal of 162045378 is 873540261.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162045379) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 101575 + ... + 103157.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 2^162045378 is an apocalyptic number.

162045378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162045378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197188992).

162045378 is an abundant number, since it is smaller than the sum of its proper divisors (232332606).

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

162045378 is a wasteful number, since it uses less digits than its factorization.

162045378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 162045378 is about 12729.7045527381. The cubic root of 162045378 is about 545.1870726647.

The spelling of 162045378 in words is "one hundred sixty-two million, forty-five thousand, three hundred seventy-eight".