155454430144000 has 160 divisors (see below), whose sum is σ = 417453442582176. Its totient is φ = 57398558515200.

The previous prime is 155454430143983. The next prime is 155454430144009. The reversal of 155454430144000 is 441034454551.

155454430144000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155454430144009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92590134 + ... + 94254133.

Almost surely, 2^{155454430144000} is an apocalyptic number.

155454430144000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155454430144000 is an abundant number, since it is smaller than the sum of its proper divisors (261999012438176).

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

155454430144000 is an equidigital number, since it uses as much as digits as its factorization.

155454430144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186844313 (or 186844287 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 155454430144000 its reverse (441034454551), we get a palindrome (155895464598551).

The spelling of 155454430144000 in words is "one hundred fifty-five trillion, four hundred fifty-four billion, four hundred thirty million, one hundred forty-four thousand".