4545430261 has 4 divisors (see below), whose sum is σ = 4545614752. Its totient is φ = 4545245772.

The previous prime is 4545430247. The next prime is 4545430291. The reversal of 4545430261 is 1620345454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4545430261 - 2⁵ = 4545430229 is a prime.

It is a super-2 number, since 2×4545430261² = 41321872515229056242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545430291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48315 + ... + 106888.

It is an arithmetic number, because the mean of its divisors is an integer number (1136403688).

Almost surely, 2^4545430261 is an apocalyptic number.

It is an amenable number.

4545430261 is a deficient number, since it is larger than the sum of its proper divisors (184491).

4545430261 is a wasteful number, since it uses less digits than its factorization.

4545430261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184490.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 4545430261 is about 67419.8061477486. The cubic root of 4545430261 is about 1656.5008623532.

The spelling of 4545430261 in words is "four billion, five hundred forty-five million, four hundred thirty thousand, two hundred sixty-one".