45101047 has 4 divisors (see below), whose sum is σ = 45235216. Its totient is φ = 44966880.

The previous prime is 45101029. The next prime is 45101053. The reversal of 45101047 is 74010154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45101047 - 2¹⁵ = 45068279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45101027) 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, 66579 + ... + 67252.

It is an arithmetic number, because the mean of its divisors is an integer number (11308804).

Almost surely, 2^45101047 is an apocalyptic number.

45101047 is a deficient number, since it is larger than the sum of its proper divisors (134169).

45101047 is a wasteful number, since it uses less digits than its factorization.

45101047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134168.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 45101047 is about 6715.7313079068. The cubic root of 45101047 is about 355.9553635699.

The spelling of 45101047 in words is "forty-five million, one hundred one thousand, forty-seven".