97006145 has 4 divisors (see below), whose sum is σ = 116407380. Its totient is φ = 77604912.

The previous prime is 97006141. The next prime is 97006163. The reversal of 97006145 is 54160079.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54160079 = 17 ⋅3185887.

It can be written as a sum of positive squares in 2 ways, for example, as 12439729 + 84566416 = 3527^2 + 9196^2 .

It is a cyclic number.

It is not a de Polignac number, because 97006145 - 2² = 97006141 is a prime.

It is a super-2 number, since 2×97006145² = 18820384335522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97006141) 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, 9700610 + ... + 9700619.

It is an arithmetic number, because the mean of its divisors is an integer number (29101845).

Almost surely, 2^97006145 is an apocalyptic number.

It is an amenable number.

97006145 is a deficient number, since it is larger than the sum of its proper divisors (19401235).

97006145 is a wasteful number, since it uses less digits than its factorization.

97006145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19401234.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 97006145 is about 9849.1697619647. The cubic root of 97006145 is about 459.4797915715.

The spelling of 97006145 in words is "ninety-seven million, six thousand, one hundred forty-five".