45212700 has 72 divisors (see below), whose sum is σ = 140890288. Its totient is φ = 11128320.

The previous prime is 45212693. The next prime is 45212701. The reversal of 45212700 is 721254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212701) 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, 1897 + ... + 9696.

Almost surely, 2^45212700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45212700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70445144).

45212700 is an abundant number, since it is smaller than the sum of its proper divisors (95677588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45212700 is a wasteful number, since it uses less digits than its factorization.

45212700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 45212700 is about 6724.0389647889. The cubic root of 45212700 is about 356.2488581065.

Adding to 45212700 its reverse (721254), we get a palindrome (45933954).

The spelling of 45212700 in words is "forty-five million, two hundred twelve thousand, seven hundred".