80469542 has 4 divisors (see below), whose sum is σ = 120704316. Its totient is φ = 40234770.

The previous prime is 80469509. The next prime is 80469563. The reversal of 80469542 is 24596408.

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

It is a junction number, because it is equal to n+sod(n) for n = 80469496 and 80469505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117384 + ... + 20117387.

It is an arithmetic number, because the mean of its divisors is an integer number (30176079).

Almost surely, 2^80469542 is an apocalyptic number.

80469542 is a deficient number, since it is larger than the sum of its proper divisors (40234774).

80469542 is a wasteful number, since it uses less digits than its factorization.

80469542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40234773.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 80469542 is about 8970.4817038997. The cubic root of 80469542 is about 431.7282920786.

The spelling of 80469542 in words is "eighty million, four hundred sixty-nine thousand, five hundred forty-two".