97137145 has 8 divisors (see below), whose sum is σ = 133216704. Its totient is φ = 66608304.

The previous prime is 97137121. The next prime is 97137151. The reversal of 97137145 is 54173179.

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

It is not a de Polignac number, because 97137145 - 2⁵ = 97137113 is a prime.

It is a Duffinian 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, 1387639 + ... + 1387708.

It is an arithmetic number, because the mean of its divisors is an integer number (16652088).

Almost surely, 2^97137145 is an apocalyptic number.

It is an amenable number.

97137145 is a deficient number, since it is larger than the sum of its proper divisors (36079559).

97137145 is a wasteful number, since it uses less digits than its factorization.

97137145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775359.

The product of its digits is 26460, while the sum is 37.

The square root of 97137145 is about 9855.8178250209. The cubic root of 97137145 is about 459.6865302891.

The spelling of 97137145 in words is "ninety-seven million, one hundred thirty-seven thousand, one hundred forty-five".