75445555141 has 4 divisors (see below), whose sum is σ = 82304241984. Its totient is φ = 68586868300.

The previous prime is 75445555111. The next prime is 75445555153. The reversal of 75445555141 is 14155554457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14155554457 = 11 ⋅1286868587.

It is a cyclic number.

It is not a de Polignac number, because 75445555141 - 2¹⁹ = 75445030853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75445555091 and 75445555100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75445555111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3429343405 + ... + 3429343426.

It is an arithmetic number, because the mean of its divisors is an integer number (20576060496).

Almost surely, 2^75445555141 is an apocalyptic number.

It is an amenable number.

75445555141 is a deficient number, since it is larger than the sum of its proper divisors (6858686843).

75445555141 is a wasteful number, since it uses less digits than its factorization.

75445555141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858686842.

The product of its digits is 1400000, while the sum is 46.

The spelling of 75445555141 in words is "seventy-five billion, four hundred forty-five million, five hundred fifty-five thousand, one hundred forty-one".