48157749 has 6 divisors (see below), whose sum is σ = 69561206. Its totient is φ = 32105160.

The previous prime is 48157741. The next prime is 48157763. The reversal of 48157749 is 94775184.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46335249 + 1822500 = 6807^2 + 1350^2 .

It is not a de Polignac number, because 48157749 - 2³ = 48157741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48157741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2675422 + ... + 2675439.

Almost surely, 2^48157749 is an apocalyptic number.

It is an amenable number.

48157749 is a deficient number, since it is larger than the sum of its proper divisors (21403457).

48157749 is a wasteful number, since it uses less digits than its factorization.

48157749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350867 (or 5350864 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 48157749 is about 6939.5784454101. The cubic root of 48157749 is about 363.8218067755.

The spelling of 48157749 in words is "forty-eight million, one hundred fifty-seven thousand, seven hundred forty-nine".