45105261 has 8 divisors (see below), whose sum is σ = 60225984. Its totient is φ = 30027360.

The previous prime is 45105253. The next prime is 45105311. The reversal of 45105261 is 16250154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45105261 - 2³ = 45105253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45105211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8160 + ... + 12521.

It is an arithmetic number, because the mean of its divisors is an integer number (7528248).

Almost surely, 2^45105261 is an apocalyptic number.

It is an amenable number.

45105261 is a deficient number, since it is larger than the sum of its proper divisors (15120723).

45105261 is a wasteful number, since it uses less digits than its factorization.

45105261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21411.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 45105261 is about 6716.0450415404. The cubic root of 45105261 is about 355.9664494115.

The spelling of 45105261 in words is "forty-five million, one hundred five thousand, two hundred sixty-one".