215152468 has 12 divisors (see below), whose sum is σ = 382898880. Its totient is φ = 105752792.

The previous prime is 215152463. The next prime is 215152489. The reversal of 215152468 is 864251512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215152463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455596 + ... + 456067.

It is an arithmetic number, because the mean of its divisors is an integer number (31908240).

Almost surely, 2^215152468 is an apocalyptic number.

It is an amenable number.

215152468 is a deficient number, since it is larger than the sum of its proper divisors (167746412).

215152468 is a wasteful number, since it uses less digits than its factorization.

215152468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911726 (or 911724 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 215152468 is about 14668.0764928466. The cubic root of 215152468 is about 599.2142195124.

The spelling of 215152468 in words is "two hundred fifteen million, one hundred fifty-two thousand, four hundred sixty-eight".