80445375 has 48 divisors (see below), whose sum is σ = 151369920. Its totient is φ = 41025600.

The previous prime is 80445371. The next prime is 80445419. The reversal of 80445375 is 57354408.

80445375 is a `hidden beast` number, since 80 + 44 + 537 + 5 = 666.

It is not a de Polignac number, because 80445375 - 2² = 80445371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80445371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24321 + ... + 27429.

It is an arithmetic number, because the mean of its divisors is an integer number (3153540).

Almost surely, 2^80445375 is an apocalyptic number.

80445375 is a deficient number, since it is larger than the sum of its proper divisors (70924545).

80445375 is a wasteful number, since it uses less digits than its factorization.

80445375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3140 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 80445375 is about 8969.1345736364. The cubic root of 80445375 is about 431.6850681786.

The spelling of 80445375 in words is "eighty million, four hundred forty-five thousand, three hundred seventy-five".