142541424 has 40 divisors (see below), whose sum is σ = 409147920. Its totient is φ = 47513664.

The previous prime is 142541423. The next prime is 142541429. The reversal of 142541424 is 424145241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142541423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164547 + ... + 165410.

It is an arithmetic number, because the mean of its divisors is an integer number (10228698).

Almost surely, 2^142541424 is an apocalyptic number.

It is an amenable number.

142541424 is an abundant number, since it is smaller than the sum of its proper divisors (266606496).

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

142541424 is a wasteful number, since it uses less digits than its factorization.

142541424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329974 (or 329962 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 142541424 is about 11939.0713206681. The cubic root of 142541424 is about 522.3725705896.

Adding to 142541424 its reverse (424145241), we get a palindrome (566686665).

It can be divided in two parts, 1425 and 41424, that added together give a square (42849 = 207²).

The spelling of 142541424 in words is "one hundred forty-two million, five hundred forty-one thousand, four hundred twenty-four".