80147481 has 8 divisors (see below), whose sum is σ = 107330880. Its totient is φ = 53197872.

The previous prime is 80147461. The next prime is 80147489. The reversal of 80147481 is 18474108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80147481 - 2¹⁰ = 80146457 is a prime.

It is a super-2 number, since 2×80147481² = 12847237421290722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80147489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57645 + ... + 59018.

It is an arithmetic number, because the mean of its divisors is an integer number (13416360).

Almost surely, 2^80147481 is an apocalyptic number.

It is an amenable number.

80147481 is a deficient number, since it is larger than the sum of its proper divisors (27183399).

80147481 is a wasteful number, since it uses less digits than its factorization.

80147481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116895.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 80147481 is about 8952.5125523509. The cubic root of 80147481 is about 431.1515572821.

It can be divided in two parts, 801 and 47481, that multiplied together give a triangular number (38032281 = T₈₇₂₁).

The spelling of 80147481 in words is "eighty million, one hundred forty-seven thousand, four hundred eighty-one".