145603271643 has 8 divisors (see below), whose sum is σ = 194155200000. Its totient is φ = 97060095528.

The previous prime is 145603271633. The next prime is 145603271687. The reversal of 145603271643 is 346172306541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-145603271643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145603271595 and 145603271604.

It is not an unprimeable number, because it can be changed into a prime (145603271623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149143 + ... + 2215856.

It is an arithmetic number, because the mean of its divisors is an integer number (24269400000).

Almost surely, 2^145603271643 is an apocalyptic number.

145603271643 is a deficient number, since it is larger than the sum of its proper divisors (48551928357).

145603271643 is a wasteful number, since it uses less digits than its factorization.

145603271643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376121.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 145603271643 in words is "one hundred forty-five billion, six hundred three million, two hundred seventy-one thousand, six hundred forty-three".