49545145 has 8 divisors (see below), whose sum is σ = 64027656. Its totient is φ = 36587136.

The previous prime is 49545127. The next prime is 49545193. The reversal of 49545145 is 54154594.

It can be written as a sum of positive squares in 4 ways, for example, as 10156969 + 39388176 = 3187^2 + 6276^2 .

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 49545145 - 2¹¹ = 49543097 is a prime.

It is a Duffinian 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, 381052 + ... + 381181.

It is an arithmetic number, because the mean of its divisors is an integer number (8003457).

Almost surely, 2^49545145 is an apocalyptic number.

It is an amenable number.

49545145 is a deficient number, since it is larger than the sum of its proper divisors (14482511).

49545145 is a wasteful number, since it uses less digits than its factorization.

49545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762251.

The product of its digits is 72000, while the sum is 37.

The square root of 49545145 is about 7038.8312240030. The cubic root of 49545145 is about 367.2826116493.

The spelling of 49545145 in words is "forty-nine million, five hundred forty-five thousand, one hundred forty-five".