155214140044 has 24 divisors (see below), whose sum is σ = 289367125488. Its totient is φ = 72593832960.

The previous prime is 155214140023. The next prime is 155214140063. The reversal of 155214140044 is 440041412551.

It is a junction number, because it is equal to n+sod(n) for n = 155214139988 and 155214140015.

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, 6990637 + ... + 7012804.

It is an arithmetic number, because the mean of its divisors is an integer number (12056963562).

Almost surely, 2^155214140044 is an apocalyptic number.

It is an amenable number.

155214140044 is a deficient number, since it is larger than the sum of its proper divisors (134152985444).

155214140044 is a wasteful number, since it uses less digits than its factorization.

155214140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14003625 (or 14003623 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 155214140044 its reverse (440041412551), we get a palindrome (595255552595).

The spelling of 155214140044 in words is "one hundred fifty-five billion, two hundred fourteen million, one hundred forty thousand, forty-four".