45387234 has 48 divisors (see below), whose sum is σ = 105423552. Its totient is φ = 14075424.

The previous prime is 45387217. The next prime is 45387269. The reversal of 45387234 is 43278354.

It is a happy number.

45387234 is a `hidden beast` number, since 45 + 387 + 234 = 666.

45387234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13837 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (2196324).

Almost surely, 2^45387234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45387234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52711776).

45387234 is an abundant number, since it is smaller than the sum of its proper divisors (60036318).

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

45387234 is a wasteful number, since it uses less digits than its factorization.

45387234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3028 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 45387234 is about 6737.0048241040. The cubic root of 45387234 is about 356.7066771237.

The spelling of 45387234 in words is "forty-five million, three hundred eighty-seven thousand, two hundred thirty-four".