142520541542 has 8 divisors (see below), whose sum is σ = 214160531256. Its totient is φ = 71133697792.

The previous prime is 142520541533. The next prime is 142520541547. The reversal of 142520541542 is 245145025241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142520541542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142520541547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63285083 + ... + 63287334.

It is an arithmetic number, because the mean of its divisors is an integer number (26770066407).

Almost surely, 2^142520541542 is an apocalyptic number.

142520541542 is a deficient number, since it is larger than the sum of its proper divisors (71639989714).

142520541542 is a wasteful number, since it uses less digits than its factorization.

142520541542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126572982.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 142520541542 its reverse (245145025241), we get a palindrome (387665566783).

The spelling of 142520541542 in words is "one hundred forty-two billion, five hundred twenty million, five hundred forty-one thousand, five hundred forty-two".