75354145 has 4 divisors (see below), whose sum is σ = 90424980. Its totient is φ = 60283312.

The previous prime is 75354137. The next prime is 75354179. The reversal of 75354145 is 54145357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17715681 + 57638464 = 4209^2 + 7592^2 .

It is a cyclic number.

It is not a de Polignac number, because 75354145 - 2³ = 75354137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75354145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7535410 + ... + 7535419.

It is an arithmetic number, because the mean of its divisors is an integer number (22606245).

Almost surely, 2^75354145 is an apocalyptic number.

It is an amenable number.

75354145 is a deficient number, since it is larger than the sum of its proper divisors (15070835).

75354145 is a wasteful number, since it uses less digits than its factorization.

75354145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070834.

The product of its digits is 42000, while the sum is 34.

The square root of 75354145 is about 8680.6765289348. The cubic root of 75354145 is about 422.3790627565.

The spelling of 75354145 in words is "seventy-five million, three hundred fifty-four thousand, one hundred forty-five".