145510255872 has 720 divisors, whose sum is σ = 486567430272. Its totient is φ = 43015864320.

The previous prime is 145510255853. The next prime is 145510255883. The reversal of 145510255872 is 278552015541.

It is a happy number.

145510255872 is a `hidden beast` number, since 1 + 4 + 5 + 510 + 2 + 55 + 87 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1062118588 + ... + 1062118724.

Almost surely, 2^145510255872 is an apocalyptic number.

145510255872 is a gapful number since it is divisible by the number (12) 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 145510255872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243283715136).

145510255872 is an abundant number, since it is smaller than the sum of its proper divisors (341057174400).

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

145510255872 is a wasteful number, since it uses less digits than its factorization.

145510255872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 45.

The spelling of 145510255872 in words is "one hundred forty-five billion, five hundred ten million, two hundred fifty-five thousand, eight hundred seventy-two".