154402000000 has 112 divisors (see below), whose sum is σ = 384497226810. Its totient is φ = 61760000000.

The previous prime is 154401999989. The next prime is 154402000001. The reversal of 154402000000 is 204451.

It can be written as a sum of positive squares in 7 ways, for example, as 124078653504 + 30323346496 = 352248^2 + 174136^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (154402000001) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1961400 + ... + 2038600.

Almost surely, 2^154402000000 is an apocalyptic number.

154402000000 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 154402000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192248613405).

154402000000 is an abundant number, since it is smaller than the sum of its proper divisors (230095226810).

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

154402000000 is an frugal number, since it uses more digits than its factorization.

154402000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77245 (or 77208 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 154402000000 its reverse (204451), we get a palindrome (154402204451).

The spelling of 154402000000 in words is "one hundred fifty-four billion, four hundred two million", and thus it is an aban number.