142153514505 has 12 divisors (see below), whose sum is σ = 246399425220. Its totient is φ = 75815207712.

The previous prime is 142153514443. The next prime is 142153514507. The reversal of 142153514505 is 505415351241.

142153514505 is a `hidden beast` number, since 1 + 4 + 2 + 153 + 51 + 450 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90266597136 + 51886917369 = 300444^2 + 227787^2 .

It is not a de Polignac number, because 142153514505 - 2⁹ = 142153513993 is a prime.

It is a super-2 number, since 2×142153514505² (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 142153514505.

It is not an unprimeable number, because it can be changed into a prime (142153514507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579483450 + ... + 1579483539.

It is an arithmetic number, because the mean of its divisors is an integer number (20533285435).

Almost surely, 2^142153514505 is an apocalyptic number.

142153514505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142153514505 is a deficient number, since it is larger than the sum of its proper divisors (104245910715).

142153514505 is a wasteful number, since it uses less digits than its factorization.

142153514505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158967000 (or 3158966997 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 142153514505 its reverse (505415351241), we get a palindrome (647568865746).

The spelling of 142153514505 in words is "one hundred forty-two billion, one hundred fifty-three million, five hundred fourteen thousand, five hundred five".