45001646 has 16 divisors (see below), whose sum is σ = 70668288. Its totient is φ = 21466200.

The previous prime is 45001643. The next prime is 45001651. The reversal of 45001646 is 64610054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001643) 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, 710 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (4416768).

Almost surely, 2^45001646 is an apocalyptic number.

45001646 is a deficient number, since it is larger than the sum of its proper divisors (25666642).

45001646 is a wasteful number, since it uses less digits than its factorization.

45001646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 45001646 is about 6708.3266169739. The cubic root of 45001646 is about 355.6936671712.

The spelling of 45001646 in words is "forty-five million, one thousand, six hundred forty-six".