745045542 has 48 divisors (see below), whose sum is σ = 1666858752. Its totient is φ = 240330240.

The previous prime is 745045523. The next prime is 745045573. The reversal of 745045542 is 245540547.

It is a happy number.

745045542 is a `hidden beast` number, since 74 + 5 + 0 + 45 + 542 = 666.

745045542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 745045497 and 745045506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124278 + ... + 130134.

It is an arithmetic number, because the mean of its divisors is an integer number (34726224).

Almost surely, 2^745045542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745045542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833429376).

745045542 is an abundant number, since it is smaller than the sum of its proper divisors (921813210).

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

745045542 is a wasteful number, since it uses less digits than its factorization.

745045542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093 (or 6090 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 745045542 is about 27295.5223800535. The cubic root of 745045542 is about 906.5552420080. Note that the first 3 decimals are identical.

The spelling of 745045542 in words is "seven hundred forty-five million, forty-five thousand, five hundred forty-two".