42153342 has 64 divisors (see below), whose sum is σ = 109707264. Its totient is φ = 10470240.

The previous prime is 42153329. The next prime is 42153359. The reversal of 42153342 is 24335124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8643 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (1714176).

Almost surely, 2^42153342 is an apocalyptic number.

42153342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42153342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54853632).

42153342 is an abundant number, since it is smaller than the sum of its proper divisors (67553922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42153342 is a wasteful number, since it uses less digits than its factorization.

42153342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013.

The product of its digits is 2880, while the sum is 24.

The square root of 42153342 is about 6492.5605118474. The cubic root of 42153342 is about 348.0251831426.

Adding to 42153342 its reverse (24335124), we get a palindrome (66488466).

It can be divided in two parts, 4215 and 3342, that added together give a palindrome (7557).

The spelling of 42153342 in words is "forty-two million, one hundred fifty-three thousand, three hundred forty-two".