145230522550 has 24 divisors (see below), whose sum is σ = 270147376872. Its totient is φ = 58088208000.

The previous prime is 145230522539. The next prime is 145230522553. The reversal of 145230522550 is 55225032541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145230522553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695905 + ... + 880195.

It is an arithmetic number, because the mean of its divisors is an integer number (11256140703).

Almost surely, 2^145230522550 is an apocalyptic number.

145230522550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145230522550 is a deficient number, since it is larger than the sum of its proper divisors (124916854322).

145230522550 is a wasteful number, since it uses less digits than its factorization.

145230522550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200064 (or 200059 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 145230522550 in words is "one hundred forty-five billion, two hundred thirty million, five hundred twenty-two thousand, five hundred fifty".