154000000000 has 440 divisors, whose sum is σ = 479765575872. Its totient is φ = 48000000000.

The previous prime is 153999999997. The next prime is 154000000043. The reversal of 154000000000 is 451.

It is a tau number, because it is divible by the number of its divisors (440).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13999999995 + ... + 14000000005.

Almost surely, 2^154000000000 is an apocalyptic number.

154000000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239882787936).

154000000000 is an abundant number, since it is smaller than the sum of its proper divisors (325765575872).

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

154000000000 is an frugal number, since it uses more digits than its factorization.

154000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

Adding to 154000000000 its reverse (451), we get a palindrome (154000000451).

The spelling of 154000000000 in words is "one hundred fifty-four billion", and thus it is an aban number.