42103544 has 48 divisors (see below), whose sum is σ = 96683400. Its totient is φ = 17091648.

The previous prime is 42103541. The next prime is 42103613. The reversal of 42103544 is 44530124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4622 + ... + 10274.

Almost surely, 2^42103544 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 42103544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48341700).

42103544 is an abundant number, since it is smaller than the sum of its proper divisors (54579856).

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

42103544 is a wasteful number, since it uses less digits than its factorization.

42103544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42103544 is about 6488.7243738658. The cubic root of 42103544 is about 347.8880822122. Note that the first 3 decimals are identical.

Adding to 42103544 its reverse (44530124), we get a palindrome (86633668).

The spelling of 42103544 in words is "forty-two million, one hundred three thousand, five hundred forty-four".