75212577145 has 8 divisors (see below), whose sum is σ = 90460687680. Its totient is φ = 60032998320.

The previous prime is 75212577107. The next prime is 75212577161. The reversal of 75212577145 is 54177521257.

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

It is not a de Polignac number, because 75212577145 - 2¹³ = 75212568953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75212577095 and 75212577104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17130511 + ... + 17134900.

It is an arithmetic number, because the mean of its divisors is an integer number (11307585960).

Almost surely, 2^75212577145 is an apocalyptic number.

It is an amenable number.

75212577145 is a deficient number, since it is larger than the sum of its proper divisors (15248110535).

75212577145 is a wasteful number, since it uses less digits than its factorization.

75212577145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34265855.

The product of its digits is 686000, while the sum is 46.

The spelling of 75212577145 in words is "seventy-five billion, two hundred twelve million, five hundred seventy-seven thousand, one hundred forty-five".