154450555452 has 18 divisors (see below), whose sum is σ = 390416681928. Its totient is φ = 51483518472.

The previous prime is 154450555423. The next prime is 154450555453. The reversal of 154450555452 is 254555054451.

It is a happy number.

154450555452 is a `hidden beast` number, since 1 + 5 + 4 + 4 + 50 + 55 + 545 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 154450555398 and 154450555407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154450555453) 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, 2145146568 + ... + 2145146639.

Almost surely, 2^154450555452 is an apocalyptic number.

154450555452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154450555452 is an abundant number, since it is smaller than the sum of its proper divisors (235966126476).

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

154450555452 is a wasteful number, since it uses less digits than its factorization.

154450555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290293217 (or 4290293212 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 45.

The spelling of 154450555452 in words is "one hundred fifty-four billion, four hundred fifty million, five hundred fifty-five thousand, four hundred fifty-two".