148198798444 has 6 divisors (see below), whose sum is σ = 259347897284. Its totient is φ = 74099399220.

The previous prime is 148198798351. The next prime is 148198798457. The reversal of 148198798444 is 444897891841.

It is a happy number.

It is a super-2 number, since 2×148198798444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148198798444.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18524849802 + ... + 18524849809.

Almost surely, 2^148198798444 is an apocalyptic number.

It is an amenable number.

148198798444 is a deficient number, since it is larger than the sum of its proper divisors (111149098840).

148198798444 is a wasteful number, since it uses less digits than its factorization.

148198798444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37049699615 (or 37049699613 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 67.

The spelling of 148198798444 in words is "one hundred forty-eight billion, one hundred ninety-eight million, seven hundred ninety-eight thousand, four hundred forty-four".