48143138 has 4 divisors (see below), whose sum is σ = 72214710. Its totient is φ = 24071568.

The previous prime is 48143129. The next prime is 48143141. The reversal of 48143138 is 83134184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25170289 + 22972849 = 5017^2 + 4793^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12035783 + ... + 12035786.

Almost surely, 2^48143138 is an apocalyptic number.

48143138 is a deficient number, since it is larger than the sum of its proper divisors (24071572).

48143138 is a wasteful number, since it uses less digits than its factorization.

48143138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24071571.

The product of its digits is 9216, while the sum is 32.

The square root of 48143138 is about 6938.5256358970. The cubic root of 48143138 is about 363.7850086954.

The spelling of 48143138 in words is "forty-eight million, one hundred forty-three thousand, one hundred thirty-eight".