215132043 has 16 divisors (see below), whose sum is σ = 335817216. Its totient is φ = 119933760.

The previous prime is 215132039. The next prime is 215132051. The reversal of 215132043 is 340231512.

It is not a de Polignac number, because 215132043 - 2² = 215132039 is a prime.

It is a super-3 number, since 3×215132043³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (215132143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124071 + ... + 125792.

It is an arithmetic number, because the mean of its divisors is an integer number (20988576).

Almost surely, 2^215132043 is an apocalyptic number.

215132043 is a deficient number, since it is larger than the sum of its proper divisors (120685173).

215132043 is a wasteful number, since it uses less digits than its factorization.

215132043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249914.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 215132043 is about 14667.3802364294. The cubic root of 215132043 is about 599.1952572422.

Adding to 215132043 its reverse (340231512), we get a palindrome (555363555).

The spelling of 215132043 in words is "two hundred fifteen million, one hundred thirty-two thousand, forty-three".