97305156 has 144 divisors (see below), whose sum is σ = 288637440. Its totient is φ = 27371520.

The previous prime is 97305151. The next prime is 97305163. The reversal of 97305156 is 65150379.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 97305156.

It is not an unprimeable number, because it can be changed into a prime (97305151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275476 + ... + 275828.

Almost surely, 2^97305156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97305156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144318720).

97305156 is an abundant number, since it is smaller than the sum of its proper divisors (191332284).

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

97305156 is a wasteful number, since it uses less digits than its factorization.

97305156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 97305156 is about 9864.3375854641. The cubic root of 97305156 is about 459.9514063350.

It can be divided in two parts, 97305 and 156, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 97305156 in words is "ninety-seven million, three hundred five thousand, one hundred fifty-six".