155447847313000 has 384 divisors, whose sum is σ = 413742839328000. Its totient is φ = 54559657152000.

The previous prime is 155447847312827. The next prime is 155447847313009. The reversal of 155447847313000 is 313748744551.

It is a happy number.

It is a super-2 number, since 2×155447847313000² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155447847313009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15857166099 + ... + 15857175901.

It is an arithmetic number, because the mean of its divisors is an integer number (1077455310750).

Almost surely, 2^{155447847313000} is an apocalyptic number.

155447847313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155447847313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206871419664000).

155447847313000 is an abundant number, since it is smaller than the sum of its proper divisors (258294992015000).

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

155447847313000 is a wasteful number, since it uses less digits than its factorization.

155447847313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14394 (or 14369 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 155447847313000 in words is "one hundred fifty-five trillion, four hundred forty-seven billion, eight hundred forty-seven million, three hundred thirteen thousand".