148935749428 has 18 divisors (see below), whose sum is σ = 261414059046. Its totient is φ = 74246675328.

The previous prime is 148935749423. The next prime is 148935749449. The reversal of 148935749428 is 824947539841.

It can be written as a sum of positive squares in 3 ways, for example, as 5656844944 + 143278904484 = 75212^2 + 378522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 148935749428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148935749423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290350 + ... + 618202.

Almost surely, 2^148935749428 is an apocalyptic number.

It is an amenable number.

148935749428 is a deficient number, since it is larger than the sum of its proper divisors (112478309618).

148935749428 is an equidigital number, since it uses as much as digits as its factorization.

148935749428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328531 (or 328192 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 64.

The spelling of 148935749428 in words is "one hundred forty-eight billion, nine hundred thirty-five million, seven hundred forty-nine thousand, four hundred twenty-eight".