148935694433 has 4 divisors (see below), whose sum is σ = 152568272388. Its totient is φ = 145303116480.

The previous prime is 148935694423. The next prime is 148935694447. The reversal of 148935694433 is 334496539841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334496539841 = 71 ⋅4711218871.

It can be written as a sum of positive squares in 2 ways, for example, as 9084377344 + 139851317089 = 95312^2 + 373967^2 .

It is a cyclic number.

It is not a de Polignac number, because 148935694433 - 2³² = 144640727137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148935694403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816288916 + ... + 1816288997.

It is an arithmetic number, because the mean of its divisors is an integer number (38142068097).

Almost surely, 2^148935694433 is an apocalyptic number.

It is an amenable number.

148935694433 is a deficient number, since it is larger than the sum of its proper divisors (3632577955).

148935694433 is an equidigital number, since it uses as much as digits as its factorization.

148935694433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632577954.

The product of its digits is 33592320, while the sum is 59.

The spelling of 148935694433 in words is "one hundred forty-eight billion, nine hundred thirty-five million, six hundred ninety-four thousand, four hundred thirty-three".