142540121151 has 12 divisors (see below), whose sum is σ = 206253141120. Its totient is φ = 94859737440.

The previous prime is 142540121107. The next prime is 142540121203. The reversal of 142540121151 is 151121045241.

142540121151 is a `hidden beast` number, since 1 + 4 + 2 + 540 + 1 + 2 + 115 + 1 = 666.

It is not a de Polignac number, because 142540121151 - 2¹⁰ = 142540120127 is a prime.

It is a super-2 number, since 2×142540121151² (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 (142540121351) 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, 13912095 + ... + 13922336.

It is an arithmetic number, because the mean of its divisors is an integer number (17187761760).

Almost surely, 2^142540121151 is an apocalyptic number.

142540121151 is a deficient number, since it is larger than the sum of its proper divisors (63713019969).

142540121151 is a wasteful number, since it uses less digits than its factorization.

142540121151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27835006 (or 27835003 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 142540121151 its reverse (151121045241), we get a palindrome (293661166392).

The spelling of 142540121151 in words is "one hundred forty-two billion, five hundred forty million, one hundred twenty-one thousand, one hundred fifty-one".