155259234900 has 432 divisors, whose sum is σ = 608296066560. Its totient is φ = 32178643200.

The previous prime is 155259234859. The next prime is 155259234917. The reversal of 155259234900 is 9432952551.

155259234900 is a `hidden beast` number, since 1 + 5 + 52 + 592 + 3 + 4 + 9 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 29034027 + ... + 29039373.

Almost surely, 2^155259234900 is an apocalyptic number.

155259234900 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 155259234900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304148033280).

155259234900 is an abundant number, since it is smaller than the sum of its proper divisors (453036831660).

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

155259234900 is a wasteful number, since it uses less digits than its factorization.

155259234900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804 (or 5794 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 155259234900 in words is "one hundred fifty-five billion, two hundred fifty-nine million, two hundred thirty-four thousand, nine hundred".