85493745 has 16 divisors (see below), whose sum is σ = 151989120. Its totient is φ = 45596592.

The previous prime is 85493741. The next prime is 85493767. The reversal of 85493745 is 54739458.

It is not a de Polignac number, because 85493745 - 2² = 85493741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85493745.

It is not an unprimeable number, because it can be changed into a prime (85493741) 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 15 ways as a sum of consecutive naturals, for example, 316509 + ... + 316778.

It is an arithmetic number, because the mean of its divisors is an integer number (9499320).

Almost surely, 2^85493745 is an apocalyptic number.

It is an amenable number.

85493745 is a deficient number, since it is larger than the sum of its proper divisors (66495375).

85493745 is a wasteful number, since it uses less digits than its factorization.

85493745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633301 (or 633295 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 85493745 is about 9246.2827666041. The cubic root of 85493745 is about 440.5326624075.

The spelling of 85493745 in words is "eighty-five million, four hundred ninety-three thousand, seven hundred forty-five".