42154464 has 144 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 12038400.

The previous prime is 42154459. The next prime is 42154493. The reversal of 42154464 is 46445124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 220609 + ... + 220799.

It is an arithmetic number, because the mean of its divisors is an integer number (893760).

Almost surely, 2^42154464 is an apocalyptic number.

42154464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42154464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64350720).

42154464 is an abundant number, since it is smaller than the sum of its proper divisors (86546976).

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

42154464 is a wasteful number, since it uses less digits than its factorization.

42154464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 226 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 42154464 is about 6492.6469178602. The cubic root of 42154464 is about 348.0282709230.

Adding to 42154464 its reverse (46445124), we get a palindrome (88599588).

The spelling of 42154464 in words is "forty-two million, one hundred fifty-four thousand, four hundred sixty-four".