155455042230400 has 192 divisors, whose sum is σ = 433379665051200. Its totient is φ = 54579826380800.

The previous prime is 155455042230223. The next prime is 155455042230401. The reversal of 155455042230400 is 4032240554551.

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

It is not an unprimeable number, because it can be changed into a prime (155455042230401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75122932 + ... + 77164531.

It is an arithmetic number, because the mean of its divisors is an integer number (2257185755475).

Almost surely, 2^{155455042230400} is an apocalyptic number.

155455042230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155455042230400 is an abundant number, since it is smaller than the sum of its proper divisors (277924622820800).

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

155455042230400 is a wasteful number, since it uses less digits than its factorization.

155455042230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152287527 (or 152287510 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 155455042230400 its reverse (4032240554551), we get a palindrome (159487282784951).

The spelling of 155455042230400 in words is "one hundred fifty-five trillion, four hundred fifty-five billion, forty-two million, two hundred thirty thousand, four hundred".