45212310 has 128 divisors (see below), whose sum is σ = 141765120. Its totient is φ = 10108800.

The previous prime is 45212309. The next prime is 45212311. The reversal of 45212310 is 1321254.

45212310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45212309) and next prime (45212311).

It is a super-2 number, since 2×45212310² = 4088305951072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38025 + ... + 39195.

It is an arithmetic number, because the mean of its divisors is an integer number (1107540).

Almost surely, 2^45212310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45212310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70882560).

45212310 is an abundant number, since it is smaller than the sum of its proper divisors (96552810).

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

45212310 is a wasteful number, since it uses less digits than its factorization.

45212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45212310 is about 6724.0099642996. The cubic root of 45212310 is about 356.2478337818.

Adding to 45212310 its reverse (1321254), we get a palindrome (46533564).

The spelling of 45212310 in words is "forty-five million, two hundred twelve thousand, three hundred ten".