181045974 has 32 divisors (see below), whose sum is σ = 371943936. Its totient is φ = 58721760.

The previous prime is 181045973. The next prime is 181045979. The reversal of 181045974 is 479540181.

181045974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181045973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49269 + ... + 52815.

It is an arithmetic number, because the mean of its divisors is an integer number (11623248).

Almost surely, 2^181045974 is an apocalyptic number.

181045974 is an abundant number, since it is smaller than the sum of its proper divisors (190897962).

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

181045974 is a wasteful number, since it uses less digits than its factorization.

181045974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 181045974 is about 13455.3325488447. The cubic root of 181045974 is about 565.7131715218.

The spelling of 181045974 in words is "one hundred eighty-one million, forty-five thousand, nine hundred seventy-four".