80154043 has 4 divisors (see below), whose sum is σ = 81350440. Its totient is φ = 78957648.

The previous prime is 80154029. The next prime is 80154049. The reversal of 80154043 is 34045108.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80154043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80153999 and 80154017.

It is not an unprimeable number, because it can be changed into a prime (80154049) 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, 598098 + ... + 598231.

It is an arithmetic number, because the mean of its divisors is an integer number (20337610).

Almost surely, 2^80154043 is an apocalyptic number.

80154043 is a deficient number, since it is larger than the sum of its proper divisors (1196397).

80154043 is a wasteful number, since it uses less digits than its factorization.

80154043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196396.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 80154043 is about 8952.8790341432. The cubic root of 80154043 is about 431.1633236710.

The spelling of 80154043 in words is "eighty million, one hundred fifty-four thousand, forty-three".