154441144450 has 12 divisors (see below), whose sum is σ = 287260528770. Its totient is φ = 61776457760.

The previous prime is 154441144439. The next prime is 154441144463. The reversal of 154441144450 is 54441144451.

It can be written as a sum of positive squares in 3 ways, for example, as 145781166969 + 8659977481 = 381813^2 + 93059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1544411395 + ... + 1544411494.

Almost surely, 2^154441144450 is an apocalyptic number.

154441144450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154441144450 is a deficient number, since it is larger than the sum of its proper divisors (132819384320).

154441144450 is a wasteful number, since it uses less digits than its factorization.

154441144450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088822901 (or 3088822896 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

Subtracting from 154441144450 its reverse (54441144451), we obtain a palindrome (99999999999).

The spelling of 154441144450 in words is "one hundred fifty-four billion, four hundred forty-one million, one hundred forty-four thousand, four hundred fifty".