149478828453 has 6 divisors (see below), whose sum is σ = 215913863334. Its totient is φ = 99652552296.

The previous prime is 149478828449. The next prime is 149478828481. The reversal of 149478828453 is 354828874941.

It is a happy number.

149478828453 is a `hidden beast` number, since 1 + 4 + 9 + 478 + 82 + 84 + 5 + 3 = 666.

149478828453 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 only one way, i.e., 142546267809 + 6932560644 = 377553^2 + 83262^2 .

It is not a de Polignac number, because 149478828453 - 2² = 149478828449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149478820453) 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 5 ways as a sum of consecutive naturals, for example, 8304379350 + ... + 8304379367.

It is an arithmetic number, because the mean of its divisors is an integer number (35985643889).

Almost surely, 2^149478828453 is an apocalyptic number.

It is an amenable number.

149478828453 is a deficient number, since it is larger than the sum of its proper divisors (66435034881).

149478828453 is a wasteful number, since it uses less digits than its factorization.

149478828453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16608758723 (or 16608758720 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 149478828453 in words is "one hundred forty-nine billion, four hundred seventy-eight million, eight hundred twenty-eight thousand, four hundred fifty-three".