4545042261 has 4 divisors (see below), whose sum is σ = 6060056352. Its totient is φ = 3030028172.

The previous prime is 4545042253. The next prime is 4545042283. The reversal of 4545042261 is 1622405454.

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 4545042261 - 2³ = 4545042253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545040261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757507041 + ... + 757507046.

It is an arithmetic number, because the mean of its divisors is an integer number (1515014088).

Almost surely, 2^4545042261 is an apocalyptic number.

It is an amenable number.

4545042261 is a deficient number, since it is larger than the sum of its proper divisors (1515014091).

4545042261 is a wasteful number, since it uses less digits than its factorization.

4545042261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515014090.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 4545042261 is about 67416.9285936403. The cubic root of 4545042261 is about 1656.4537277890.

The spelling of 4545042261 in words is "four billion, five hundred forty-five million, forty-two thousand, two hundred sixty-one".