42153155 has 8 divisors (see below), whose sum is σ = 55182384. Its totient is φ = 30656800.

The previous prime is 42153131. The next prime is 42153157. The reversal of 42153155 is 55135124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42153155 - 2¹² = 42149059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42153157) 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 7 ways as a sum of consecutive naturals, for example, 383156 + ... + 383265.

It is an arithmetic number, because the mean of its divisors is an integer number (6897798).

Almost surely, 2^42153155 is an apocalyptic number.

42153155 is a deficient number, since it is larger than the sum of its proper divisors (13029229).

42153155 is a wasteful number, since it uses less digits than its factorization.

42153155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766437.

The product of its digits is 3000, while the sum is 26.

The square root of 42153155 is about 6492.5461107334. The cubic root of 42153155 is about 348.0246685072.

Adding to 42153155 its reverse (55135124), we get a palindrome (97288279).

The spelling of 42153155 in words is "forty-two million, one hundred fifty-three thousand, one hundred fifty-five".