45851771 has 16 divisors (see below), whose sum is σ = 55687104. Its totient is φ = 36854784.

The previous prime is 45851761. The next prime is 45851779. The reversal of 45851771 is 17715854.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45851771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45851779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43871 + ... + 44903.

It is an arithmetic number, because the mean of its divisors is an integer number (3480444).

Almost surely, 2^45851771 is an apocalyptic number.

45851771 is a deficient number, since it is larger than the sum of its proper divisors (9835333).

45851771 is a wasteful number, since it uses less digits than its factorization.

45851771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 39200, while the sum is 38.

The square root of 45851771 is about 6771.3935788728. The cubic root of 45851771 is about 357.9195094888.

The spelling of 45851771 in words is "forty-five million, eight hundred fifty-one thousand, seven hundred seventy-one".