145203012555 has 16 divisors (see below), whose sum is σ = 236133425184. Its totient is φ = 76172071680.

The previous prime is 145203012541. The next prime is 145203012589. The reversal of 145203012555 is 555210302541.

145203012555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145203012555 - 2⁸ = 145203012299 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 79344994 + ... + 79346823.

It is an arithmetic number, because the mean of its divisors is an integer number (14758339074).

Almost surely, 2^145203012555 is an apocalyptic number.

145203012555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145203012555 is a deficient number, since it is larger than the sum of its proper divisors (90930412629).

145203012555 is a wasteful number, since it uses less digits than its factorization.

145203012555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158691886.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 145203012555 in words is "one hundred forty-five billion, two hundred three million, twelve thousand, five hundred fifty-five".