155104140 has 48 divisors (see below), whose sum is σ = 435939840. Its totient is φ = 41204160.

The previous prime is 155104133. The next prime is 155104153. The reversal of 155104140 is 41401551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11491 + ... + 21029.

It is an arithmetic number, because the mean of its divisors is an integer number (9082080).

Almost surely, 2^155104140 is an apocalyptic number.

155104140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155104140 is an abundant number, since it is smaller than the sum of its proper divisors (280835700).

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

155104140 is a wasteful number, since it uses less digits than its factorization.

155104140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822 (or 9820 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 155104140 is about 12454.0812587681. The cubic root of 155104140 is about 537.2888112098.

Adding to 155104140 its reverse (41401551), we get a palindrome (196505691).

The spelling of 155104140 in words is "one hundred fifty-five million, one hundred four thousand, one hundred forty".