34545042 has 80 divisors (see below), whose sum is σ = 90744192. Its totient is φ = 9616320.

The previous prime is 34545023. The next prime is 34545073. The reversal of 34545042 is 24054543.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 34544997 and 34545015.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46123 + ... + 46865.

Almost surely, 2^34545042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34545042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45372096).

34545042 is an abundant number, since it is smaller than the sum of its proper divisors (56199150).

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

34545042 is a wasteful number, since it uses less digits than its factorization.

34545042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 34545042 is about 5877.5030412583. The cubic root of 34545042 is about 325.6831138550.

Adding to 34545042 its reverse (24054543), we get a palindrome (58599585).

It can be divided in two parts, 3454504 and 2, that added together give a triangular number (3454506 = T₂₆₂₈).

The spelling of 34545042 in words is "thirty-four million, five hundred forty-five thousand, forty-two".