75408145 has 8 divisors (see below), whose sum is σ = 94424256. Its totient is φ = 57703536.

The previous prime is 75408133. The next prime is 75408173. The reversal of 75408145 is 54180457.

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

It is a cyclic number.

It is not a de Polignac number, because 75408145 - 2¹³ = 75399953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75408145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327747 + ... + 327976.

It is an arithmetic number, because the mean of its divisors is an integer number (11803032).

Almost surely, 2^75408145 is an apocalyptic number.

It is an amenable number.

75408145 is a deficient number, since it is larger than the sum of its proper divisors (19016111).

75408145 is a wasteful number, since it uses less digits than its factorization.

75408145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655751.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 75408145 is about 8683.7863285551. The cubic root of 75408145 is about 422.4799332229.

The spelling of 75408145 in words is "seventy-five million, four hundred eight thousand, one hundred forty-five".