24140142 has 48 divisors (see below), whose sum is σ = 57159648. Its totient is φ = 7318080.

The previous prime is 24140141. The next prime is 24140143. The reversal of 24140142 is 24104142.

It is an interprime number because it is at equal distance from previous prime (24140141) and next prime (24140143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24140141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15888 + ... + 17340.

It is an arithmetic number, because the mean of its divisors is an integer number (1190826).

Almost surely, 2^24140142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24140142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28579824).

24140142 is an abundant number, since it is smaller than the sum of its proper divisors (33019506).

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

24140142 is a wasteful number, since it uses less digits than its factorization.

24140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 24140142 is about 4913.2618493217. The cubic root of 24140142 is about 289.0102685096.

Adding to 24140142 its reverse (24104142), we get a palindrome (48244284).

The spelling of 24140142 in words is "twenty-four million, one hundred forty thousand, one hundred forty-two".