42151075 has 36 divisors (see below), whose sum is σ = 57686040. Its totient is φ = 30438400.

The previous prime is 42151073. The next prime is 42151093. The reversal of 42151075 is 57015124.

It is not a de Polignac number, because 42151075 - 2¹ = 42151073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151073) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 714396 + ... + 714454.

It is an arithmetic number, because the mean of its divisors is an integer number (1602390).

Almost surely, 2^42151075 is an apocalyptic number.

42151075 is a deficient number, since it is larger than the sum of its proper divisors (15534965).

42151075 is a wasteful number, since it uses less digits than its factorization.

42151075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 42151075 is about 6492.3859250664. The cubic root of 42151075 is about 348.0189441178.

Adding to 42151075 its reverse (57015124), we get a palindrome (99166199).

The spelling of 42151075 in words is "forty-two million, one hundred fifty-one thousand, seventy-five".