91473045 has 16 divisors (see below), whose sum is σ = 149472000. Its totient is φ = 47747264.

The previous prime is 91472999. The next prime is 91473059. The reversal of 91473045 is 54037419.

It is a cyclic number.

It is not a de Polignac number, because 91473045 - 2¹⁰ = 91472021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91472997 and 91473015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64170 + ... + 65579.

It is an arithmetic number, because the mean of its divisors is an integer number (9342000).

Almost surely, 2^91473045 is an apocalyptic number.

It is an amenable number.

91473045 is a deficient number, since it is larger than the sum of its proper divisors (57998955).

91473045 is a wasteful number, since it uses less digits than its factorization.

91473045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129804.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 91473045 is about 9564.1541706520. The cubic root of 91473045 is about 450.5721857241.

The spelling of 91473045 in words is "ninety-one million, four hundred seventy-three thousand, forty-five".