42150441 has 4 divisors (see below), whose sum is σ = 56200592. Its totient is φ = 28100292.

The previous prime is 42150439. The next prime is 42150457. The reversal of 42150441 is 14405124.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42150441 - 2¹ = 42150439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42150841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7025071 + ... + 7025076.

It is an arithmetic number, because the mean of its divisors is an integer number (14050148).

Almost surely, 2^42150441 is an apocalyptic number.

It is an amenable number.

42150441 is a deficient number, since it is larger than the sum of its proper divisors (14050151).

42150441 is a wasteful number, since it uses less digits than its factorization.

42150441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050150.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42150441 is about 6492.3370984569. The cubic root of 42150441 is about 348.0171992424.

Adding to 42150441 its reverse (14405124), we get a palindrome (56555565).

The spelling of 42150441 in words is "forty-two million, one hundred fifty thousand, four hundred forty-one".