30140160 has 144 divisors (see below), whose sum is σ = 98896896. Its totient is φ = 7819264.

The previous prime is 30140141. The next prime is 30140171. The reversal of 30140160 is 6104103.

30140160 = 1826² + 1827² + ... + 1834².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180397 + ... + 180563.

It is an arithmetic number, because the mean of its divisors is an integer number (686784).

Almost surely, 2^30140160 is an apocalyptic number.

30140160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49448448).

30140160 is an abundant number, since it is smaller than the sum of its proper divisors (68756736).

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

30140160 is a wasteful number, since it uses less digits than its factorization.

30140160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30140160 is about 5490.0054644782. The cubic root of 30140160 is about 311.2063986278.

Adding to 30140160 its reverse (6104103), we get a palindrome (36244263).

The spelling of 30140160 in words is "thirty million, one hundred forty thousand, one hundred sixty".