45212970 has 64 divisors (see below), whose sum is σ = 124623360. Its totient is φ = 10382400.

The previous prime is 45212933. The next prime is 45212971. The reversal of 45212970 is 7921254.

45212970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45212971) 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 31 ways as a sum of consecutive naturals, for example, 2665 + ... + 9875.

It is an arithmetic number, because the mean of its divisors is an integer number (1947240).

Almost surely, 2^45212970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45212970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62311680).

45212970 is an abundant number, since it is smaller than the sum of its proper divisors (79410390).

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

45212970 is a wasteful number, since it uses less digits than its factorization.

45212970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 45212970 is about 6724.0590419775. The cubic root of 45212970 is about 356.2495672509.

The spelling of 45212970 in words is "forty-five million, two hundred twelve thousand, nine hundred seventy".