142004134155 has 32 divisors (see below), whose sum is σ = 244784058624. Its totient is φ = 69881152896.

The previous prime is 142004134121. The next prime is 142004134159. The reversal of 142004134155 is 551431400241.

It is not a de Polignac number, because 142004134155 - 2¹⁸ = 142003872011 is a prime.

It is a super-2 number, since 2×142004134155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142004134159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333472 + ... + 628658.

It is an arithmetic number, because the mean of its divisors is an integer number (7649501832).

Almost surely, 2^142004134155 is an apocalyptic number.

142004134155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142004134155 is a deficient number, since it is larger than the sum of its proper divisors (102779924469).

142004134155 is a wasteful number, since it uses less digits than its factorization.

142004134155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297675.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 142004134155 its reverse (551431400241), we get a palindrome (693435534396).

The spelling of 142004134155 in words is "one hundred forty-two billion, four million, one hundred thirty-four thousand, one hundred fifty-five".