115471332 has 60 divisors (see below), whose sum is σ = 302877036. Its totient is φ = 38361600.

The previous prime is 115471309. The next prime is 115471333. The reversal of 115471332 is 233174511.

It can be written as a sum of positive squares in 2 ways, for example, as 84934656 + 30536676 = 9216^2 + 5526^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 115471296 and 115471305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115471333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 191832 + ... + 192432.

Almost surely, 2^115471332 is an apocalyptic number.

115471332 is a gapful number since it is divisible by the number (12) 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 115471332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151438518).

115471332 is an abundant number, since it is smaller than the sum of its proper divisors (187405704).

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

115471332 is a wasteful number, since it uses less digits than its factorization.

115471332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1199 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 115471332 is about 10745.7587912627. The cubic root of 115471332 is about 486.9578730881.

The spelling of 115471332 in words is "one hundred fifteen million, four hundred seventy-one thousand, three hundred thirty-two".