50145945 has 16 divisors (see below), whose sum is σ = 81941760. Its totient is φ = 26175104.

The previous prime is 50145923. The next prime is 50146001. The reversal of 50145945 is 54954105.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50145945 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34860 + ... + 36269.

It is an arithmetic number, because the mean of its divisors is an integer number (5121360).

Almost surely, 2^50145945 is an apocalyptic number.

It is an amenable number.

50145945 is a deficient number, since it is larger than the sum of its proper divisors (31795815).

50145945 is a wasteful number, since it uses less digits than its factorization.

50145945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71184.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 50145945 is about 7081.3801620870. The cubic root of 50145945 is about 368.7612456591.

The spelling of 50145945 in words is "fifty million, one hundred forty-five thousand, nine hundred forty-five".