42745152 has 56 divisors (see below), whose sum is σ = 114052096. Its totient is φ = 14128128.

The previous prime is 42745151. The next prime is 42745163. The reversal of 42745152 is 25154724.

42745152 is nontrivially palindromic in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42745151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23508 + ... + 25260.

Almost surely, 2^42745152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42745152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57026048).

42745152 is an abundant number, since it is smaller than the sum of its proper divisors (71306944).

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

42745152 is a wasteful number, since it uses less digits than its factorization.

42745152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1885 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 42745152 is about 6537.9776689738. The cubic root of 42745152 is about 349.6463148201.

Adding to 42745152 its reverse (25154724), we get a palindrome (67899876).

The spelling of 42745152 in words is "forty-two million, seven hundred forty-five thousand, one hundred fifty-two".