145534112550 has 72 divisors (see below), whose sum is σ = 414001767816. Its totient is φ = 36526206720.

The previous prime is 145534112501. The next prime is 145534112561. The reversal of 145534112550 is 55211435541.

145534112550 is a `hidden beast` number, since 1 + 4 + 5 + 53 + 41 + 12 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9504384 + ... + 9519683.

It is an arithmetic number, because the mean of its divisors is an integer number (5750024553).

Almost surely, 2^145534112550 is an apocalyptic number.

145534112550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145534112550 is an abundant number, since it is smaller than the sum of its proper divisors (268467655266).

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

145534112550 is a wasteful number, since it uses less digits than its factorization.

145534112550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024102 (or 19024094 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 145534112550 in words is "one hundred forty-five billion, five hundred thirty-four million, one hundred twelve thousand, five hundred fifty".