97149 has 16 divisors (see below), whose sum is σ = 145152. Its totient is φ = 57408.

The previous prime is 97127. The next prime is 97151. The reversal of 97149 is 94179.

It is not a de Polignac number, because 97149 - 2⁵ = 97117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2⁹⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

97149 is a deficient number, since it is larger than the sum of its proper divisors (48003).

97149 is a wasteful number, since it uses less digits than its factorization.

97149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

The product of its digits is 2268, while the sum is 30.

The square root of 97149 is about 311.6873433427. The cubic root of 97149 is about 45.9705230180.

Adding to 97149 its sum of digits (30), we get a palindrome (97179).

The spelling of 97149 in words is "ninety-seven thousand, one hundred forty-nine".