80154329 has 2 divisors, whose sum is σ = 80154330. Its totient is φ = 80154328.

The previous prime is 80154299. The next prime is 80154377. The reversal of 80154329 is 92345108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 10465225 = 8348^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 80154329 - 2¹² = 80150233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80154295 and 80154304.

It is not a weakly prime, because it can be changed into another prime (80154029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40077164 + 40077165.

It is an arithmetic number, because the mean of its divisors is an integer number (40077165).

Almost surely, 2^80154329 is an apocalyptic number.

It is an amenable number.

80154329 is a deficient number, since it is larger than the sum of its proper divisors (1).

80154329 is an equidigital number, since it uses as much as digits as its factorization.

80154329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 80154329 is about 8952.8950066445. The cubic root of 80154329 is about 431.1638364859.

The spelling of 80154329 in words is "eighty million, one hundred fifty-four thousand, three hundred twenty-nine".