155940148255 has 8 divisors (see below), whose sum is σ = 187231517424. Its totient is φ = 124683225600.

The previous prime is 155940148223. The next prime is 155940148277. The reversal of 155940148255 is 552841049551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155940148255 - 2⁵ = 155940148223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155940148199 and 155940148208.

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, 8601666 + ... + 8619775.

It is an arithmetic number, because the mean of its divisors is an integer number (23403939678).

Almost surely, 2^155940148255 is an apocalyptic number.

155940148255 is a deficient number, since it is larger than the sum of its proper divisors (31291369169).

155940148255 is a wasteful number, since it uses less digits than its factorization.

155940148255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17223257.

The product of its (nonzero) digits is 1440000, while the sum is 49.

The spelling of 155940148255 in words is "one hundred fifty-five billion, nine hundred forty million, one hundred forty-eight thousand, two hundred fifty-five".