155235420051142 has 16 divisors (see below), whose sum is σ = 248991465830112. Its totient is φ = 72328675619200.

The previous prime is 155235420051119. The next prime is 155235420051157. The reversal of 155235420051142 is 241150024532551.

It is a junction number, because it is equal to n+sod(n) for n = 155235420051095 and 155235420051104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22602707698 + ... + 22602714565.

It is an arithmetic number, because the mean of its divisors is an integer number (15561966614382).

Almost surely, 2^{155235420051142} is an apocalyptic number.

155235420051142 is a deficient number, since it is larger than the sum of its proper divisors (93756045778970).

155235420051142 is a wasteful number, since it uses less digits than its factorization.

155235420051142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45205422383.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 155235420051142 its reverse (241150024532551), we get a palindrome (396385444583693).

The spelling of 155235420051142 in words is "one hundred fifty-five trillion, two hundred thirty-five billion, four hundred twenty million, fifty-one thousand, one hundred forty-two".