97180144 has 20 divisors (see below), whose sum is σ = 188460160. Its totient is φ = 48545280.

The previous prime is 97180091. The next prime is 97180147. The reversal of 97180144 is 44108179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97180147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21472 + ... + 25600.

It is an arithmetic number, because the mean of its divisors is an integer number (9423008).

Almost surely, 2^97180144 is an apocalyptic number.

It is an amenable number.

97180144 is a deficient number, since it is larger than the sum of its proper divisors (91280016).

97180144 is a wasteful number, since it uses less digits than its factorization.

97180144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 97180144 is about 9857.9989855954. The cubic root of 97180144 is about 459.7543489911.

The spelling of 97180144 in words is "ninety-seven million, one hundred eighty thousand, one hundred forty-four".