155230332314100 has 144 divisors (see below), whose sum is σ = 453794621910336. Its totient is φ = 40967222400000.

The previous prime is 155230332314089. The next prime is 155230332314107. The reversal of 155230332314100 is 1413233032551.

It is a super-2 number, since 2×155230332314100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155230332314107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5256840 + ... + 18387360.

It is an arithmetic number, because the mean of its divisors is an integer number (3151351541044).

Almost surely, 2^{155230332314100} is an apocalyptic number.

155230332314100 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 155230332314100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226897310955168).

155230332314100 is an abundant number, since it is smaller than the sum of its proper divisors (298564289596236).

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

155230332314100 is a wasteful number, since it uses less digits than its factorization.

155230332314100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130946 (or 13130939 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 155230332314100 its reverse (1413233032551), we get a palindrome (156643565346651).

The spelling of 155230332314100 in words is "one hundred fifty-five trillion, two hundred thirty billion, three hundred thirty-two million, three hundred fourteen thousand, one hundred".