215153092 has 48 divisors (see below), whose sum is σ = 470558592. Its totient is φ = 83623680.

The previous prime is 215153089. The next prime is 215153101. The reversal of 215153092 is 290351512.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 215153092.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225288 + ... + 226240.

It is an arithmetic number, because the mean of its divisors is an integer number (9803304).

Almost surely, 2^215153092 is an apocalyptic number.

215153092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215153092 is an abundant number, since it is smaller than the sum of its proper divisors (255405500).

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

215153092 is a wasteful number, since it uses less digits than its factorization.

215153092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 215153092 is about 14668.0977635138. The cubic root of 215153092 is about 599.2147988060.

The spelling of 215153092 in words is "two hundred fifteen million, one hundred fifty-three thousand, ninety-two".