91143352 has 16 divisors (see below), whose sum is σ = 171217800. Its totient is φ = 45485280.

The previous prime is 91143343. The next prime is 91143373. The reversal of 91143352 is 25334119.

It is a super-2 number, since 2×91143352² = 16614221227591808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91143352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202 + ... + 14857.

Almost surely, 2^91143352 is an apocalyptic number.

It is an amenable number.

91143352 is a deficient number, since it is larger than the sum of its proper divisors (80074448).

91143352 is a wasteful number, since it uses less digits than its factorization.

91143352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606 (or 21602 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 91143352 is about 9546.9027438222. The cubic root of 91143352 is about 450.0302070258.

The spelling of 91143352 in words is "ninety-one million, one hundred forty-three thousand, three hundred fifty-two".