155014913453400 has 6912 divisors, whose sum is σ = 767994002380800. Its totient is φ = 27137949696000.

The previous prime is 155014913453381. The next prime is 155014913453459. The reversal of 155014913453400 is 4354319410551.

155014913453400 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 149 + 13 + 453 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 1727 ways as a sum of consecutive naturals, for example, 1741740600556 + ... + 1741740600644.

It is an arithmetic number, because the mean of its divisors is an integer number (111110243400).

Almost surely, 2^{155014913453400} is an apocalyptic number.

155014913453400 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 155014913453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383997001190400).

155014913453400 is an abundant number, since it is smaller than the sum of its proper divisors (612979088927400).

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

155014913453400 is a wasteful number, since it uses less digits than its factorization.

155014913453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 155014913453400 in words is "one hundred fifty-five trillion, fourteen billion, nine hundred thirteen million, four hundred fifty-three thousand, four hundred".