49156445 has 8 divisors (see below), whose sum is σ = 63525336. Its totient is φ = 36300096.

The previous prime is 49156433. The next prime is 49156463. The reversal of 49156445 is 54465194.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 47623801 = 1238^2 + 6901^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49156445 - 2²⁰ = 48107869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49156399 and 49156408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378062 + ... + 378191.

It is an arithmetic number, because the mean of its divisors is an integer number (7940667).

Almost surely, 2^49156445 is an apocalyptic number.

It is an amenable number.

49156445 is a deficient number, since it is larger than the sum of its proper divisors (14368891).

49156445 is a wasteful number, since it uses less digits than its factorization.

49156445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756271.

The product of its digits is 86400, while the sum is 38.

The square root of 49156445 is about 7011.1657375931. The cubic root of 49156445 is about 366.3195995039.

The spelling of 49156445 in words is "forty-nine million, one hundred fifty-six thousand, four hundred forty-five".