215126153 has 8 divisors (see below), whose sum is σ = 244886976. Its totient is φ = 187066000.

The previous prime is 215126141. The next prime is 215126161. The reversal of 215126153 is 351621512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215126153 - 2²² = 210931849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215126053) 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 7 ways as a sum of consecutive naturals, for example, 424898 + ... + 425403.

It is an arithmetic number, because the mean of its divisors is an integer number (30610872).

Almost surely, 2^215126153 is an apocalyptic number.

215126153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

215126153 is a deficient number, since it is larger than the sum of its proper divisors (29760823).

215126153 is a wasteful number, since it uses less digits than its factorization.

215126153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850335.

The product of its digits is 1800, while the sum is 26.

The square root of 215126153 is about 14667.1794493693. The cubic root of 215126153 is about 599.1897888296.

Adding to 215126153 its reverse (351621512), we get a palindrome (566747665).

The spelling of 215126153 in words is "two hundred fifteen million, one hundred twenty-six thousand, one hundred fifty-three".