155214140142 has 32 divisors (see below), whose sum is σ = 315930067200. Its totient is φ = 50822417408.

The previous prime is 155214140131. The next prime is 155214140143. The reversal of 155214140142 is 241041412551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155214140143) 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, 300718 + ... + 633134.

It is an arithmetic number, because the mean of its divisors is an integer number (9872814600).

Almost surely, 2^155214140142 is an apocalyptic number.

155214140142 is an abundant number, since it is smaller than the sum of its proper divisors (160715927058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155214140142 is a wasteful number, since it uses less digits than its factorization.

155214140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333800.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 155214140142 its reverse (241041412551), we get a palindrome (396255552693).

The spelling of 155214140142 in words is "one hundred fifty-five billion, two hundred fourteen million, one hundred forty thousand, one hundred forty-two".