97143480 has 144 divisors (see below), whose sum is σ = 367328520. Its totient is φ = 22200192.

The previous prime is 97143469. The next prime is 97143503. The reversal of 97143480 is 8434179.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 14887 + ... + 20393.

Almost surely, 2^97143480 is an apocalyptic number.

97143480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97143480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183664260).

97143480 is an abundant number, since it is smaller than the sum of its proper divisors (270185040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97143480 is a wasteful number, since it uses less digits than its factorization.

97143480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538 (or 5524 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 97143480 is about 9856.1392035624. The cubic root of 97143480 is about 459.6965232081.

The spelling of 97143480 in words is "ninety-seven million, one hundred forty-three thousand, four hundred eighty".