49986145 has 32 divisors (see below), whose sum is σ = 68138496. Its totient is φ = 34886400.

The previous prime is 49986127. The next prime is 49986151. The reversal of 49986145 is 54168994.

It is a happy number.

It is not a de Polignac number, because 49986145 - 2⁵ = 49986113 is a prime.

It is a super-2 number, since 2×49986145² = 4997229383922050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49986095 and 49986104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157527 + ... + 157843.

It is an arithmetic number, because the mean of its divisors is an integer number (2129328).

Almost surely, 2^49986145 is an apocalyptic number.

It is an amenable number.

49986145 is a deficient number, since it is larger than the sum of its proper divisors (18152351).

49986145 is a wasteful number, since it uses less digits than its factorization.

49986145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 311040, while the sum is 46.

The square root of 49986145 is about 7070.0880475423. The cubic root of 49986145 is about 368.3691185495.

The spelling of 49986145 in words is "forty-nine million, nine hundred eighty-six thousand, one hundred forty-five".