97849145 has 16 divisors (see below), whose sum is σ = 125451840. Its totient is φ = 73047744.

The previous prime is 97849079. The next prime is 97849177. The reversal of 97849145 is 54194879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97849145 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 97849145.

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, 1322 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (7840740).

Almost surely, 2^97849145 is an apocalyptic number.

97849145 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97849145 is a deficient number, since it is larger than the sum of its proper divisors (27602695).

97849145 is a wasteful number, since it uses less digits than its factorization.

97849145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464.

The product of its digits is 362880, while the sum is 47.

The square root of 97849145 is about 9891.8726740694. The cubic root of 97849145 is about 460.8069405849.

The spelling of 97849145 in words is "ninety-seven million, eight hundred forty-nine thousand, one hundred forty-five".