80151421 has 8 divisors (see below), whose sum is σ = 92217600. Its totient is φ = 68239248.

The previous prime is 80151397. The next prime is 80151427. The reversal of 80151421 is 12415108.

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

It is not a de Polignac number, because 80151421 - 2⁷ = 80151293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80151392 and 80151401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80151427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37381 + ... + 39466.

It is an arithmetic number, because the mean of its divisors is an integer number (11527200).

Almost surely, 2^80151421 is an apocalyptic number.

It is an amenable number.

80151421 is a deficient number, since it is larger than the sum of its proper divisors (12066179).

80151421 is a wasteful number, since it uses less digits than its factorization.

80151421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77003.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 80151421 is about 8952.7325996033. The cubic root of 80151421 is about 431.1586222132.

Adding to 80151421 its reverse (12415108), we get a palindrome (92566529).

The spelling of 80151421 in words is "eighty million, one hundred fifty-one thousand, four hundred twenty-one".