545133630 has 16 divisors (see below), whose sum is σ = 1308320784. Its totient is φ = 145368960.

The previous prime is 545133623. The next prime is 545133643. The reversal of 545133630 is 36331545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 18171121 = 545133630 / (5 + 4 + 5 + 1 + 3 + 3 + 6 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9085531 + ... + 9085590.

It is an arithmetic number, because the mean of its divisors is an integer number (81770049).

Almost surely, 2^545133630 is an apocalyptic number.

545133630 is an abundant number, since it is smaller than the sum of its proper divisors (763187154).

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

545133630 is a wasteful number, since it uses less digits than its factorization.

545133630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171131.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 545133630 is about 23348.0969245890. The cubic root of 545133630 is about 816.8976718900.

The spelling of 545133630 in words is "five hundred forty-five million, one hundred thirty-three thousand, six hundred thirty".