42144102 has 96 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 10100160.

The previous prime is 42144079. The next prime is 42144103. The reversal of 42144102 is 20144124.

It is a super-2 number, since 2×42144102² = 3552250666772808, which contains 22 as substring.

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 (42144103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16849 + ... + 19187.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^42144102 is an apocalyptic number.

42144102 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 42144102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61326720).

42144102 is an abundant number, since it is smaller than the sum of its proper divisors (80509338).

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

42144102 is a wasteful number, since it uses less digits than its factorization.

42144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378 (or 2375 counting only the distinct ones).

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

The square root of 42144102 is about 6491.8488891840. The cubic root of 42144102 is about 347.9997522789. Note that the first 3 decimals are identical.

Adding to 42144102 its reverse (20144124), we get a palindrome (62288226).

The spelling of 42144102 in words is "forty-two million, one hundred forty-four thousand, one hundred two".