215453034 has 28 divisors (see below), whose sum is σ = 484550946. Its totient is φ = 71817192.

The previous prime is 215453009. The next prime is 215453059. The reversal of 215453034 is 430354512.

It is an interprime number because it is at equal distance from previous prime (215453009) and next prime (215453059).

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 83777409 = 11475^2 + 9153^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 215452989 and 215453007.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 72429 + ... + 75344.

Almost surely, 2^215453034 is an apocalyptic number.

215453034 is an abundant number, since it is smaller than the sum of its proper divisors (269097912).

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

215453034 is an equidigital number, since it uses as much as digits as its factorization.

215453034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147793 (or 147778 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 215453034 is about 14678.3185004278. The cubic root of 215453034 is about 599.4931219116.

The spelling of 215453034 in words is "two hundred fifteen million, four hundred fifty-three thousand, thirty-four".