100448138258 has 12 divisors (see below), whose sum is σ = 163153929258. Its totient is φ = 46360679040.

The previous prime is 100448138243. The next prime is 100448138267. The reversal of 100448138258 is 852831844001.

It can be written as a sum of positive squares in 3 ways, for example, as 15386665849 + 85061472409 = 124043^2 + 291653^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148591583 + ... + 148592258.

Almost surely, 2^100448138258 is an apocalyptic number.

100448138258 is a deficient number, since it is larger than the sum of its proper divisors (62705791000).

100448138258 is a wasteful number, since it uses less digits than its factorization.

100448138258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297183869 (or 297183856 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 100448138258 in words is "one hundred billion, four hundred forty-eight million, one hundred thirty-eight thousand, two hundred fifty-eight".