50442145 has 32 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 34728960.

The previous prime is 50442121. The next prime is 50442149. The reversal of 50442145 is 54124405.

It is a happy number.

It is not a de Polignac number, because 50442145 - 2¹³ = 50433953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50442149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210936 + ... + 211174.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^50442145 is an apocalyptic number.

It is an amenable number.

50442145 is a deficient number, since it is larger than the sum of its proper divisors (19230815).

50442145 is a wasteful number, since it uses less digits than its factorization.

50442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 50442145 is about 7102.2633716302. The cubic root of 50442145 is about 369.4858820153.

The spelling of 50442145 in words is "fifty million, four hundred forty-two thousand, one hundred forty-five".