142103544 has 64 divisors (see below), whose sum is σ = 410365440. Its totient is φ = 40527360.

The previous prime is 142103543. The next prime is 142103557. The reversal of 142103544 is 445301241.

142103544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142103543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11344 + ... + 20319.

It is an arithmetic number, because the mean of its divisors is an integer number (6411960).

Almost surely, 2^142103544 is an apocalyptic number.

It is an amenable number.

142103544 is an abundant number, since it is smaller than the sum of its proper divisors (268261896).

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

142103544 is a wasteful number, since it uses less digits than its factorization.

142103544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31700 (or 31696 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142103544 is about 11920.7191058258. The cubic root of 142103544 is about 521.8371212734.

Adding to 142103544 its reverse (445301241), we get a palindrome (587404785).

The spelling of 142103544 in words is "one hundred forty-two million, one hundred three thousand, five hundred forty-four".