80429145 has 32 divisors (see below), whose sum is σ = 131604480. Its totient is φ = 41933760.

The previous prime is 80429131. The next prime is 80429177. The reversal of 80429145 is 54192408.

It is not a de Polignac number, because 80429145 - 2⁷ = 80429017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191746 + ... + 192164.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^80429145 is an apocalyptic number.

It is an amenable number.

80429145 is a deficient number, since it is larger than the sum of its proper divisors (51175335).

80429145 is a wasteful number, since it uses less digits than its factorization.

80429145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 80429145 is about 8968.2297584306. The cubic root of 80429145 is about 431.6560351448.

The spelling of 80429145 in words is "eighty million, four hundred twenty-nine thousand, one hundred forty-five".