215453030 has 24 divisors (see below), whose sum is σ = 419945472. Its totient is φ = 79551264.

The previous prime is 215453009. The next prime is 215453059. The reversal of 215453030 is 30354512.

It is a junction number, because it is equal to n+sod(n) for n = 215452987 and 215453005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62054 + ... + 65433.

It is an arithmetic number, because the mean of its divisors is an integer number (17497728).

Almost surely, 2^215453030 is an apocalyptic number.

215453030 is a deficient number, since it is larger than the sum of its proper divisors (204492442).

215453030 is a wasteful number, since it uses less digits than its factorization.

215453030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127520 (or 127507 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 215453030 is about 14678.3183641724. The cubic root of 215453030 is about 599.4931182016.

The spelling of 215453030 in words is "two hundred fifteen million, four hundred fifty-three thousand, thirty".