81483092 has 18 divisors (see below), whose sum is σ = 144382938. Its totient is φ = 40237072.

The previous prime is 81483053. The next prime is 81483107. The reversal of 81483092 is 29038418.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58308496 + 23174596 = 7636^2 + 4814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26078 + ... + 29034.

Almost surely, 2^81483092 is an apocalyptic number.

It is an amenable number.

81483092 is a deficient number, since it is larger than the sum of its proper divisors (62899846).

81483092 is a wasteful number, since it uses less digits than its factorization.

81483092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 81483092 is about 9026.7985465502. The cubic root of 81483092 is about 433.5333385740.

The spelling of 81483092 in words is "eighty-one million, four hundred eighty-three thousand, ninety-two".