142140305510 has 32 divisors (see below), whose sum is σ = 292439842560. Its totient is φ = 48727664352.

The previous prime is 142140305477. The next prime is 142140305519. The reversal of 142140305510 is 15503041241.

It is a super-2 number, since 2×142140305510² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142140305510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140305519) 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, 448397 + ... + 696663.

It is an arithmetic number, because the mean of its divisors is an integer number (9138745080).

Almost surely, 2^142140305510 is an apocalyptic number.

142140305510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142140305510 is an abundant number, since it is smaller than the sum of its proper divisors (150299537050).

142140305510 is a wasteful number, since it uses less digits than its factorization.

142140305510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256460.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 142140305510 its reverse (15503041241), we get a palindrome (157643346751).

The spelling of 142140305510 in words is "one hundred forty-two billion, one hundred forty million, three hundred five thousand, five hundred ten".