50145745 has 8 divisors (see below), whose sum is σ = 64803816. Its totient is φ = 37030656.

The previous prime is 50145743. The next prime is 50145749. The reversal of 50145745 is 54754105.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 50140561 = 72^2 + 7081^2 .

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

It is not a de Polignac number, because 50145745 - 2¹ = 50145743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50145743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385672 + ... + 385801.

It is an arithmetic number, because the mean of its divisors is an integer number (8100477).

Almost surely, 2^50145745 is an apocalyptic number.

It is an amenable number.

50145745 is a deficient number, since it is larger than the sum of its proper divisors (14658071).

50145745 is a wasteful number, since it uses less digits than its factorization.

50145745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771491.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 50145745 is about 7081.3660405320. The cubic root of 50145745 is about 368.7607554078.

The spelling of 50145745 in words is "fifty million, one hundred forty-five thousand, seven hundred forty-five".