154441144452 has 48 divisors (see below), whose sum is σ = 414607132800. Its totient is φ = 43829889792.

The previous prime is 154441144439. The next prime is 154441144463. The reversal of 154441144452 is 254441144451.

It is a self number, because there is not a number n which added to its sum of digits gives 154441144452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157233 + ... + 6182264.

It is an arithmetic number, because the mean of its divisors is an integer number (8637648600).

Almost surely, 2^154441144452 is an apocalyptic number.

154441144452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154441144452 is an abundant number, since it is smaller than the sum of its proper divisors (260165988348).

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

154441144452 is a wasteful number, since it uses less digits than its factorization.

154441144452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12339660 (or 12339658 counting only the distinct ones).

The product of its digits is 204800, while the sum is 39.

Subtracting 154441144452 from its reverse (254441144451), we obtain a palindrome (99999999999).

The spelling of 154441144452 in words is "one hundred fifty-four billion, four hundred forty-one million, one hundred forty-four thousand, four hundred fifty-two".