145553143203 has 24 divisors (see below), whose sum is σ = 226715234928. Its totient is φ = 89452786752.

The previous prime is 145553143157. The next prime is 145553143249. The reversal of 145553143203 is 302341355541.

145553143203 is a `hidden beast` number, since 1 + 45 + 553 + 1 + 43 + 20 + 3 = 666.

145553143203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145553143157) and next prime (145553143249).

It is not a de Polignac number, because 145553143203 - 2¹⁴ = 145553126819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145553143273) 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 23 ways as a sum of consecutive naturals, for example, 733125 + ... + 910262.

It is an arithmetic number, because the mean of its divisors is an integer number (9446468122).

Almost surely, 2^145553143203 is an apocalyptic number.

145553143203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145553143203 is a deficient number, since it is larger than the sum of its proper divisors (81162091725).

145553143203 is a wasteful number, since it uses less digits than its factorization.

145553143203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644163 (or 1644160 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 145553143203 its reverse (302341355541), we get a palindrome (447894498744).

The spelling of 145553143203 in words is "one hundred forty-five billion, five hundred fifty-three million, one hundred forty-three thousand, two hundred three".