161134250 has 32 divisors (see below), whose sum is σ = 317528640. Its totient is φ = 61059600.

The previous prime is 161134243. The next prime is 161134261. The reversal of 161134250 is 52431161.

161134250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 12212 + ... + 21711.

It is an arithmetic number, because the mean of its divisors is an integer number (9922770).

Almost surely, 2^161134250 is an apocalyptic number.

161134250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161134250 is a deficient number, since it is larger than the sum of its proper divisors (156394390).

161134250 is a wasteful number, since it uses less digits than its factorization.

161134250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33959 (or 33949 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 161134250 is about 12693.8666292033. The cubic root of 161134250 is about 544.1633488876.

The spelling of 161134250 in words is "one hundred sixty-one million, one hundred thirty-four thousand, two hundred fifty".