4145455231203 has 16 divisors (see below), whose sum is σ = 6493580222976. Its totient is φ = 2319135793440.

The previous prime is 4145455231139. The next prime is 4145455231231. The reversal of 4145455231203 is 3021325545414.

It is not a de Polignac number, because 4145455231203 - 2⁶ = 4145455231139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (4145455231243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831532475 + ... + 4831533332.

It is an arithmetic number, because the mean of its divisors is an integer number (405848763936).

Almost surely, 2^{4145455231203} is an apocalyptic number.

4145455231203 is a deficient number, since it is larger than the sum of its proper divisors (2348124991773).

4145455231203 is a wasteful number, since it uses less digits than its factorization.

4145455231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663065834.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 4145455231203 in words is "four trillion, one hundred forty-five billion, four hundred fifty-five million, two hundred thirty-one thousand, two hundred three".