75145412215 has 8 divisors (see below), whose sum is σ = 90260299728. Its totient is φ = 60059126400.

The previous prime is 75145412207. The next prime is 75145412269. The reversal of 75145412215 is 51221454157.

It is a happy number.

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

It is not a de Polignac number, because 75145412215 - 2³ = 75145412207 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 7144642 + ... + 7155151.

It is an arithmetic number, because the mean of its divisors is an integer number (11282537466).

Almost surely, 2^75145412215 is an apocalyptic number.

75145412215 is a deficient number, since it is larger than the sum of its proper divisors (15114887513).

75145412215 is a wasteful number, since it uses less digits than its factorization.

75145412215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14300849.

The product of its digits is 56000, while the sum is 37.

The spelling of 75145412215 in words is "seventy-five billion, one hundred forty-five million, four hundred twelve thousand, two hundred fifteen".