181054962 has 72 divisors (see below), whose sum is σ = 436143708. Its totient is φ = 54236160.

The previous prime is 181054927. The next prime is 181054963. The reversal of 181054962 is 269450181.

It can be written as a sum of positive squares in 2 ways, for example, as 171636201 + 9418761 = 13101^2 + 3069^2 .

It is not an unprimeable number, because it can be changed into a prime (181054963) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 210838 + ... + 211694.

Almost surely, 2^181054962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181054962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218071854).

181054962 is an abundant number, since it is smaller than the sum of its proper divisors (255088746).

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

181054962 is a wasteful number, since it uses less digits than its factorization.

181054962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 181054962 is about 13455.6665386743. Note that the first 3 decimals coincide. The cubic root of 181054962 is about 565.7225329486.

The spelling of 181054962 in words is "one hundred eighty-one million, fifty-four thousand, nine hundred sixty-two".