42533155 has 16 divisors (see below), whose sum is σ = 58451904. Its totient is φ = 29105280.

The previous prime is 42533143. The next prime is 42533171. The reversal of 42533155 is 55133524.

It is not a de Polignac number, because 42533155 - 2¹¹ = 42531107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21925 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (3653244).

Almost surely, 2^42533155 is an apocalyptic number.

42533155 is a deficient number, since it is larger than the sum of its proper divisors (15918749).

42533155 is a wasteful number, since it uses less digits than its factorization.

42533155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526.

The product of its digits is 9000, while the sum is 28.

The square root of 42533155 is about 6521.7447818816. The cubic root of 42533155 is about 349.0673263597.

Adding to 42533155 its reverse (55133524), we get a palindrome (97666679).

The spelling of 42533155 in words is "forty-two million, five hundred thirty-three thousand, one hundred fifty-five".