30545229 has 24 divisors (see below), whose sum is σ = 48118752. Its totient is φ = 17085120.

The previous prime is 30545197. The next prime is 30545231. The reversal of 30545229 is 92254503.

It is not a de Polignac number, because 30545229 - 2⁵ = 30545197 is a prime.

It is a super-2 number, since 2×30545229² = 1866022029324882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30545196 and 30545205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30545269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2839 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (2004948).

Almost surely, 2^30545229 is an apocalyptic number.

30545229 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30545229 is a deficient number, since it is larger than the sum of its proper divisors (17573523).

30545229 is a wasteful number, since it uses less digits than its factorization.

30545229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517 (or 5504 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 30545229 is about 5526.7738328975. The cubic root of 30545229 is about 312.5943531624.

The spelling of 30545229 in words is "thirty million, five hundred forty-five thousand, two hundred twenty-nine".