145538654112 has 72 divisors (see below), whose sum is σ = 418142386116. Its totient is φ = 48012742656.

The previous prime is 145538654099. The next prime is 145538654113. The reversal of 145538654112 is 211456835541.

145538654112 is a `hidden beast` number, since 1 + 4 + 5 + 538 + 65 + 41 + 12 = 666.

145538654112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131829991056 + 13708663056 = 363084^2 + 117084^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (145538654113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2576923 + ... + 2632794.

Almost surely, 2^145538654112 is an apocalyptic number.

145538654112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145538654112 is an abundant number, since it is smaller than the sum of its proper divisors (272603732004).

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

145538654112 is a wasteful number, since it uses less digits than its factorization.

145538654112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209830 (or 5209819 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The spelling of 145538654112 in words is "one hundred forty-five billion, five hundred thirty-eight million, six hundred fifty-four thousand, one hundred twelve".