97275145 has 8 divisors (see below), whose sum is σ = 127342080. Its totient is φ = 70745520.

The previous prime is 97275137. The next prime is 97275163. The reversal of 97275145 is 54157279.

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

It is not a de Polignac number, because 97275145 - 2³ = 97275137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97275098 and 97275107.

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, 884265 + ... + 884374.

It is an arithmetic number, because the mean of its divisors is an integer number (15917760).

Almost surely, 2^97275145 is an apocalyptic number.

It is an amenable number.

97275145 is a deficient number, since it is larger than the sum of its proper divisors (30066935).

97275145 is a wasteful number, since it uses less digits than its factorization.

97275145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768655.

The product of its digits is 88200, while the sum is 40.

The square root of 97275145 is about 9862.8162813671. The cubic root of 97275145 is about 459.9041151753.

The spelling of 97275145 in words is "ninety-seven million, two hundred seventy-five thousand, one hundred forty-five".