49243545 has 80 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 23607936.

The previous prime is 49243517. The next prime is 49243547. The reversal of 49243545 is 54534294.

It is a happy number.

It is not a de Polignac number, because 49243545 - 2¹¹ = 49241497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49243547) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 247356 + ... + 247554.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^49243545 is an apocalyptic number.

49243545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49243545 is a deficient number, since it is larger than the sum of its proper divisors (48330855).

49243545 is a wasteful number, since it uses less digits than its factorization.

49243545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 267 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 49243545 is about 7017.3745090311. The cubic root of 49243545 is about 366.5358316494.

The spelling of 49243545 in words is "forty-nine million, two hundred forty-three thousand, five hundred forty-five".