50402145 has 32 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 25691904.

The previous prime is 50402137. The next prime is 50402147. The reversal of 50402145 is 54120405.

It is not a de Polignac number, because 50402145 - 2³ = 50402137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50402147) 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, 46884 + ... + 47946.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^50402145 is an apocalyptic number.

It is an amenable number.

50402145 is a deficient number, since it is larger than the sum of its proper divisors (33866655).

50402145 is a wasteful number, since it uses less digits than its factorization.

50402145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 50402145 is about 7099.4468094352. The cubic root of 50402145 is about 369.3881902694.

The spelling of 50402145 in words is "fifty million, four hundred two thousand, one hundred forty-five".