10142544 has 40 divisors (see below), whose sum is σ = 26417952. Its totient is φ = 3352960.

The previous prime is 10142537. The next prime is 10142567. The reversal of 10142544 is 44524101.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10142544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5482 + ... + 7094.

Almost surely, 2^10142544 is an apocalyptic number.

It is an amenable number.

10142544 is an abundant number, since it is smaller than the sum of its proper divisors (16275408).

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

10142544 is a wasteful number, since it uses less digits than its factorization.

10142544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 10142544 is about 3184.7360958170. The cubic root of 10142544 is about 216.4623156750.

Adding to 10142544 its reverse (44524101), we get a palindrome (54666645).

The spelling of 10142544 in words is "ten million, one hundred forty-two thousand, five hundred forty-four".