155241541200 has 240 divisors, whose sum is σ = 515310033920. Its totient is φ = 39922122240.

The previous prime is 155241541163. The next prime is 155241541201. The reversal of 155241541200 is 2145142551.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×155241541200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155241541201) 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 47 ways as a sum of consecutive naturals, for example, 4057359 + ... + 4095441.

Almost surely, 2^155241541200 is an apocalyptic number.

155241541200 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 155241541200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257655016960).

155241541200 is an abundant number, since it is smaller than the sum of its proper divisors (360068492720).

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

155241541200 is a wasteful number, since it uses less digits than its factorization.

155241541200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38226 (or 38215 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 155241541200 its reverse (2145142551), we get a palindrome (157386683751).

The spelling of 155241541200 in words is "one hundred fifty-five billion, two hundred forty-one million, five hundred forty-one thousand, two hundred".