154838077922080 has 144 divisors (see below), whose sum is σ = 425562152646456. Its totient is φ = 53083107409920.

The previous prime is 154838077922039. The next prime is 154838077922111. The reversal of 154838077922080 is 80229770838451.

It can be written as a sum of positive squares in 4 ways, for example, as 102967372576656 + 51870705345424 = 10147284^2 + 7202132^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98324262 + ... + 99886618.

Almost surely, 2^{154838077922080} is an apocalyptic number.

154838077922080 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 154838077922080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212781076323228).

154838077922080 is an abundant number, since it is smaller than the sum of its proper divisors (270724074724376).

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

154838077922080 is a wasteful number, since it uses less digits than its factorization.

154838077922080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575027 (or 1575012 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 154838077922080 in words is "one hundred fifty-four trillion, eight hundred thirty-eight billion, seventy-seven million, nine hundred twenty-two thousand, eighty".