80990141 has 4 divisors (see below), whose sum is σ = 85252800. Its totient is φ = 76727484.

The previous prime is 80990137. The next prime is 80990149. The reversal of 80990141 is 14109908.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80990141 - 2² = 80990137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80990098 and 80990107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80990149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131301 + ... + 2131338.

It is an arithmetic number, because the mean of its divisors is an integer number (21313200).

Almost surely, 2^80990141 is an apocalyptic number.

It is an amenable number.

80990141 is a deficient number, since it is larger than the sum of its proper divisors (4262659).

80990141 is a wasteful number, since it uses less digits than its factorization.

80990141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262658.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 80990141 is about 8999.4522611101. The cubic root of 80990141 is about 432.6573158880.

The spelling of 80990141 in words is "eighty million, nine hundred ninety thousand, one hundred forty-one".