80051149 has 2 divisors, whose sum is σ = 80051150. Its totient is φ = 80051148.

The previous prime is 80051117. The next prime is 80051159. The reversal of 80051149 is 94115008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 2082249 = 8830^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 80051149 - 2⁵ = 80051117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80051159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40025574 + 40025575.

It is an arithmetic number, because the mean of its divisors is an integer number (40025575).

Almost surely, 2^80051149 is an apocalyptic number.

It is an amenable number.

80051149 is a deficient number, since it is larger than the sum of its proper divisors (1).

80051149 is an equidigital number, since it uses as much as digits as its factorization.

80051149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 80051149 is about 8947.1307691349. The cubic root of 80051149 is about 430.9787494255.

It can be divided in two parts, 80051 and 149, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 80051149 in words is "eighty million, fifty-one thousand, one hundred forty-nine".