634324145 has 32 divisors (see below), whose sum is σ = 991968768. Its totient is φ = 377883648.

The previous prime is 634324133. The next prime is 634324231. The reversal of 634324145 is 541423436.

It is a cyclic number.

It is not a de Polignac number, because 634324145 - 2⁶ = 634324081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33269 + ... + 48738.

It is an arithmetic number, because the mean of its divisors is an integer number (30999024).

Almost surely, 2^634324145 is an apocalyptic number.

634324145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

634324145 is a deficient number, since it is larger than the sum of its proper divisors (357644623).

634324145 is a wasteful number, since it uses less digits than its factorization.

634324145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82049.

The product of its digits is 34560, while the sum is 32.

The square root of 634324145 is about 25185.7925227697. The cubic root of 634324145 is about 859.2187537339.

The spelling of 634324145 in words is "six hundred thirty-four million, three hundred twenty-four thousand, one hundred forty-five".