154452326556 has 96 divisors (see below), whose sum is σ = 406729403136. Its totient is φ = 45209920000.

The previous prime is 154452326549. The next prime is 154452326557. The reversal of 154452326556 is 655623254451.

It is a super-2 number, since 2×154452326556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154452326557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405331 + ... + 687893.

It is an arithmetic number, because the mean of its divisors is an integer number (4236764616).

Almost surely, 2^154452326556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154452326556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203364701568).

154452326556 is an abundant number, since it is smaller than the sum of its proper divisors (252277076580).

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

154452326556 is a wasteful number, since it uses less digits than its factorization.

154452326556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282723 (or 282721 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 48.

The spelling of 154452326556 in words is "one hundred fifty-four billion, four hundred fifty-two million, three hundred twenty-six thousand, five hundred fifty-six".