80149001 has 4 divisors (see below), whose sum is σ = 80225604. Its totient is φ = 80072400.

The previous prime is 80148949. The next prime is 80149007. The reversal of 80149001 is 10094108.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46566976 + 33582025 = 6824^2 + 5795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80149001 is a prime.

It is a super-2 number, since 2×80149001² = 12847724722596002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80149007) 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 3 ways as a sum of consecutive naturals, for example, 36710 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (20056401).

Almost surely, 2^80149001 is an apocalyptic number.

It is an amenable number.

80149001 is a deficient number, since it is larger than the sum of its proper divisors (76603).

80149001 is a wasteful number, since it uses less digits than its factorization.

80149001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76602.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 80149001 is about 8952.5974443175. The cubic root of 80149001 is about 431.1542828667.

The spelling of 80149001 in words is "eighty million, one hundred forty-nine thousand, one".