45197622 has 64 divisors (see below), whose sum is σ = 105937920. Its totient is φ = 14256000.

The previous prime is 45197617. The next prime is 45197629. The reversal of 45197622 is 22679154.

45197622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (30240) is a multiple of the sum of its prime divisors (420).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45197629) 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, 187422 + ... + 187662.

It is an arithmetic number, because the mean of its divisors is an integer number (1655280).

Almost surely, 2^45197622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45197622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52968960).

45197622 is an abundant number, since it is smaller than the sum of its proper divisors (60740298).

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

45197622 is a wasteful number, since it uses less digits than its factorization.

45197622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 420 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45197622 is about 6722.9176701786. The cubic root of 45197622 is about 356.2092518491.

The spelling of 45197622 in words is "forty-five million, one hundred ninety-seven thousand, six hundred twenty-two".