145510550 has 48 divisors (see below), whose sum is σ = 288262800. Its totient is φ = 54489600.

The previous prime is 145510513. The next prime is 145510553. The reversal of 145510550 is 55015541.

145510550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145510550² = 42346640322605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145510553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83690 + ... + 85410.

It is an arithmetic number, because the mean of its divisors is an integer number (6005475).

Almost surely, 2^145510550 is an apocalyptic number.

145510550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145510550 is a deficient number, since it is larger than the sum of its proper divisors (142752250).

145510550 is a wasteful number, since it uses less digits than its factorization.

145510550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 145510550 is about 12062.7753854575. The cubic root of 145510550 is about 525.9746671044.

The spelling of 145510550 in words is "one hundred forty-five million, five hundred ten thousand, five hundred fifty".