80372545 has 16 divisors (see below), whose sum is σ = 105702912. Its totient is φ = 58181760.

The previous prime is 80372531. The next prime is 80372569. The reversal of 80372545 is 54527308.

It is a happy number.

It is not a de Polignac number, because 80372545 - 2¹³ = 80364353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80372545.

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 15 ways as a sum of consecutive naturals, for example, 8989 + ... + 15541.

It is an arithmetic number, because the mean of its divisors is an integer number (6606432).

Almost surely, 2^80372545 is an apocalyptic number.

It is an amenable number.

80372545 is a deficient number, since it is larger than the sum of its proper divisors (25330367).

80372545 is a wasteful number, since it uses less digits than its factorization.

80372545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 80372545 is about 8965.0736193296. The cubic root of 80372545 is about 431.5547556691.

The spelling of 80372545 in words is "eighty million, three hundred seventy-two thousand, five hundred forty-five".