45210789 has 24 divisors (see below), whose sum is σ = 70560672. Its totient is φ = 27730080.

The previous prime is 45210787. The next prime is 45210793. The reversal of 45210789 is 98701254.

It is not a de Polignac number, because 45210789 - 2¹ = 45210787 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45210787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57054 + ... + 57840.

It is an arithmetic number, because the mean of its divisors is an integer number (2940028).

Almost surely, 2^45210789 is an apocalyptic number.

It is an amenable number.

45210789 is a deficient number, since it is larger than the sum of its proper divisors (25349883).

45210789 is a wasteful number, since it uses less digits than its factorization.

45210789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45210789 is about 6723.8968611959. The cubic root of 45210789 is about 356.2438388593.

The spelling of 45210789 in words is "forty-five million, two hundred ten thousand, seven hundred eighty-nine".