155101302242400 has 144 divisors (see below), whose sum is σ = 506261022220800. Its totient is φ = 41245137154560.

The previous prime is 155101302242387. The next prime is 155101302242407. The reversal of 155101302242400 is 4242203101551.

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 (155101302242407) 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, 89146120 + ... + 90869319.

It is an arithmetic number, because the mean of its divisors is an integer number (3515701543200).

Almost surely, 2^{155101302242400} is an apocalyptic number.

155101302242400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155101302242400 is an abundant number, since it is smaller than the sum of its proper divisors (351159719978400).

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

155101302242400 is a wasteful number, since it uses less digits than its factorization.

155101302242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180015821 (or 180015808 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 155101302242400 its reverse (4242203101551), we get a palindrome (159343505343951).

The spelling of 155101302242400 in words is "one hundred fifty-five trillion, one hundred one billion, three hundred two million, two hundred forty-two thousand, four hundred".