42153234 has 16 divisors (see below), whose sum is σ = 89265888. Its totient is φ = 13224512.

The previous prime is 42153187. The next prime is 42153239. The reversal of 42153234 is 43235124.

It is not an unprimeable number, because it can be changed into a prime (42153239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206532 + ... + 206735.

It is an arithmetic number, because the mean of its divisors is an integer number (5579118).

Almost surely, 2^42153234 is an apocalyptic number.

42153234 is an abundant number, since it is smaller than the sum of its proper divisors (47112654).

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

42153234 is a wasteful number, since it uses less digits than its factorization.

42153234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413289.

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

The square root of 42153234 is about 6492.5521946304. The cubic root of 42153234 is about 348.0248859202.

Adding to 42153234 its reverse (43235124), we get a palindrome (85388358).

The spelling of 42153234 in words is "forty-two million, one hundred fifty-three thousand, two hundred thirty-four".