154523647452 has 24 divisors (see below), whose sum is σ = 370299912976. Its totient is φ = 50115777408.

The previous prime is 154523647451. The next prime is 154523647513. The reversal of 154523647452 is 254746325451.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154523647451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174012673 + ... + 174013560.

Almost surely, 2^154523647452 is an apocalyptic number.

154523647452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154523647452 is an abundant number, since it is smaller than the sum of its proper divisors (215776265524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154523647452 is a wasteful number, since it uses less digits than its factorization.

154523647452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348026277 (or 348026275 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 48.

The spelling of 154523647452 in words is "one hundred fifty-four billion, five hundred twenty-three million, six hundred forty-seven thousand, four hundred fifty-two".