42050745 has 40 divisors (see below), whose sum is σ = 82241280. Its totient is φ = 20386080.

The previous prime is 42050737. The next prime is 42050753. The reversal of 42050745 is 54705024.

It is an interprime number because it is at equal distance from previous prime (42050737) and next prime (42050753).

It is not a de Polignac number, because 42050745 - 2³ = 42050737 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 265 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (2056032).

Almost surely, 2^42050745 is an apocalyptic number.

42050745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42050745 is a deficient number, since it is larger than the sum of its proper divisors (40190535).

42050745 is a wasteful number, since it uses less digits than its factorization.

42050745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467 (or 9458 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 42050745 is about 6484.6545783102. The cubic root of 42050745 is about 347.7426009810.

Adding to 42050745 its reverse (54705024), we get a palindrome (96755769).

The spelling of 42050745 in words is "forty-two million, fifty thousand, seven hundred forty-five".