45771830 has 32 divisors (see below), whose sum is σ = 89056800. Its totient is φ = 16837632.

The previous prime is 45771829. The next prime is 45771839. The reversal of 45771830 is 3817754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45771839) 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, 48806 + ... + 49734.

It is an arithmetic number, because the mean of its divisors is an integer number (2783025).

Almost surely, 2^45771830 is an apocalyptic number.

45771830 is a deficient number, since it is larger than the sum of its proper divisors (43284970).

45771830 is a wasteful number, since it uses less digits than its factorization.

45771830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 45771830 is about 6765.4881568147. The cubic root of 45771830 is about 357.7113816653.

The spelling of 45771830 in words is "forty-five million, seven hundred seventy-one thousand, eight hundred thirty".