154448883140 has 48 divisors (see below), whose sum is σ = 344459412864. Its totient is φ = 57969753600.

The previous prime is 154448883131. The next prime is 154448883221. The reversal of 154448883140 is 41388844451.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 573656 + ... + 798735.

It is an arithmetic number, because the mean of its divisors is an integer number (7176237768).

Almost surely, 2^154448883140 is an apocalyptic number.

154448883140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154448883140 is an abundant number, since it is smaller than the sum of its proper divisors (190010529724).

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

154448883140 is a wasteful number, since it uses less digits than its factorization.

154448883140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372748 (or 1372746 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 50.

The spelling of 154448883140 in words is "one hundred fifty-four billion, four hundred forty-eight million, eight hundred eighty-three thousand, one hundred forty".