97457143 has 8 divisors (see below), whose sum is σ = 111859488. Its totient is φ = 83174784.

The previous prime is 97457131. The next prime is 97457147. The reversal of 97457143 is 34175479.

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

It is not a de Polignac number, because 97457143 - 2⁵ = 97457111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97457096 and 97457105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97457147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28246 + ... + 31507.

It is an arithmetic number, because the mean of its divisors is an integer number (13982436).

Almost surely, 2^97457143 is an apocalyptic number.

97457143 is a deficient number, since it is larger than the sum of its proper divisors (14402345).

97457143 is a wasteful number, since it uses less digits than its factorization.

97457143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59993.

The product of its digits is 105840, while the sum is 40.

The square root of 97457143 is about 9872.0384419835. The cubic root of 97457143 is about 460.1907573678.

The spelling of 97457143 in words is "ninety-seven million, four hundred fifty-seven thousand, one hundred forty-three".