80144629 has 4 divisors (see below), whose sum is σ = 80259660. Its totient is φ = 80029600.

The previous prime is 80144599. The next prime is 80144653. The reversal of 80144629 is 92644108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62378404 + 17766225 = 7898^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 80144629 - 2⁹ = 80144117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80144594 and 80144603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80144689) 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, 56464 + ... + 57865.

It is an arithmetic number, because the mean of its divisors is an integer number (20064915).

Almost surely, 2^80144629 is an apocalyptic number.

It is an amenable number.

80144629 is a deficient number, since it is larger than the sum of its proper divisors (115031).

80144629 is a wasteful number, since it uses less digits than its factorization.

80144629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115030.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 80144629 is about 8952.3532660413. The cubic root of 80144629 is about 431.1464431316.

The spelling of 80144629 in words is "eighty million, one hundred forty-four thousand, six hundred twenty-nine".