154697000000 has 294 divisors, whose sum is σ = 397857133926. Its totient is φ = 59673600000.

The previous prime is 154696999999. The next prime is 154697000033. The reversal of 154697000000 is 796451.

It is a happy number.

It can be written as a sum of positive squares in 21 ways, for example, as 92104966144 + 62592033856 = 303488^2 + 250184^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1368999944 + ... + 1369000056.

Almost surely, 2^154697000000 is an apocalyptic number.

154697000000 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 154697000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198928566963).

154697000000 is an abundant number, since it is smaller than the sum of its proper divisors (243160133926).

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

154697000000 is an frugal number, since it uses more digits than its factorization.

154697000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

Adding to 154697000000 its reverse (796451), we get a palindrome (154697796451).

The spelling of 154697000000 in words is "one hundred fifty-four billion, six hundred ninety-seven million", and thus it is an aban number.