154450555252 has 48 divisors (see below), whose sum is σ = 315269113600. Its totient is φ = 66179677536.

The previous prime is 154450555241. The next prime is 154450555253. The reversal of 154450555252 is 252555054451.

It is a super-2 number, since 2×154450555252² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154450555199 and 154450555208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154450555253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9888433 + ... + 9904039.

Almost surely, 2^154450555252 is an apocalyptic number.

It is an amenable number.

154450555252 is an abundant number, since it is smaller than the sum of its proper divisors (160818558348).

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

154450555252 is a wasteful number, since it uses less digits than its factorization.

154450555252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22845 (or 22829 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 43.

The spelling of 154450555252 in words is "one hundred fifty-four billion, four hundred fifty million, five hundred fifty-five thousand, two hundred fifty-two".