148844511021 has 8 divisors (see below), whose sum is σ = 198884316384. Its totient is φ = 99017189840.

The previous prime is 148844510987. The next prime is 148844511031. The reversal of 148844511021 is 120115448841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148844511021 - 2⁶ = 148844510957 is a prime.

It is a super-2 number, since 2×148844511021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148844511031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53119410 + ... + 53122211.

It is an arithmetic number, because the mean of its divisors is an integer number (24860539548).

Almost surely, 2^148844511021 is an apocalyptic number.

It is an amenable number.

148844511021 is a deficient number, since it is larger than the sum of its proper divisors (50039805363).

148844511021 is a wasteful number, since it uses less digits than its factorization.

148844511021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106242091.

The product of its (nonzero) digits is 40960, while the sum is 39.

Adding to 148844511021 its reverse (120115448841), we get a palindrome (268959959862).

The spelling of 148844511021 in words is "one hundred forty-eight billion, eight hundred forty-four million, five hundred eleven thousand, twenty-one".