42938154 has 64 divisors (see below), whose sum is σ = 112838400. Its totient is φ = 11841984.

The previous prime is 42938153. The next prime is 42938177. The reversal of 42938154 is 45183924.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42938153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9004 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (1763100).

Almost surely, 2^42938154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42938154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56419200).

42938154 is an abundant number, since it is smaller than the sum of its proper divisors (69900246).

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

42938154 is a wasteful number, since it uses less digits than its factorization.

42938154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3958 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 42938154 is about 6552.7211141632. The cubic root of 42938154 is about 350.1717633120.

It can be divided in two parts, 429 and 38154, that added together give a palindrome (38583).

The spelling of 42938154 in words is "forty-two million, nine hundred thirty-eight thousand, one hundred fifty-four".