148435019489 has 8 divisors (see below), whose sum is σ = 152934325992. Its totient is φ = 143977567360.

The previous prime is 148435019479. The next prime is 148435019497. The reversal of 148435019489 is 984910534841.

148435019489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1458628864 + 146976390625 = 38192^2 + 383375^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148435019489 is a prime.

It is a super-2 number, since 2×148435019489² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148435019419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10456394 + ... + 10470579.

It is an arithmetic number, because the mean of its divisors is an integer number (19116790749).

Almost surely, 2^148435019489 is an apocalyptic number.

It is an amenable number.

148435019489 is a deficient number, since it is larger than the sum of its proper divisors (4499306503).

148435019489 is a wasteful number, since it uses less digits than its factorization.

148435019489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20927187.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 148435019489 in words is "one hundred forty-eight billion, four hundred thirty-five million, nineteen thousand, four hundred eighty-nine".