97147455 has 8 divisors (see below), whose sum is σ = 155435952. Its totient is φ = 51811968.

The previous prime is 97147439. The next prime is 97147481. The reversal of 97147455 is 55474179.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97147455 - 2⁴ = 97147439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3238234 + ... + 3238263.

It is an arithmetic number, because the mean of its divisors is an integer number (19429494).

Almost surely, 2^97147455 is an apocalyptic number.

97147455 is a deficient number, since it is larger than the sum of its proper divisors (58288497).

97147455 is a wasteful number, since it uses less digits than its factorization.

97147455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476505.

The product of its digits is 176400, while the sum is 42.

The square root of 97147455 is about 9856.3408524665. The cubic root of 97147455 is about 459.7027932077.

The spelling of 97147455 in words is "ninety-seven million, one hundred forty-seven thousand, four hundred fifty-five".