215156102 has 8 divisors (see below), whose sum is σ = 368839056. Its totient is φ = 92209752.

The previous prime is 215156093. The next prime is 215156129. The reversal of 215156102 is 201651512.

It is a happy number.

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

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, 7684133 + ... + 7684160.

It is an arithmetic number, because the mean of its divisors is an integer number (46104882).

Almost surely, 2^215156102 is an apocalyptic number.

215156102 is a deficient number, since it is larger than the sum of its proper divisors (153682954).

215156102 is a wasteful number, since it uses less digits than its factorization.

215156102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15368302.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 215156102 is about 14668.2003667798. The cubic root of 215156102 is about 599.2175931389.

The spelling of 215156102 in words is "two hundred fifteen million, one hundred fifty-six thousand, one hundred two".