154555365140 has 192 divisors, whose sum is σ = 375467581440. Its totient is φ = 52923840000.

The previous prime is 154555365137. The next prime is 154555365149. The reversal of 154555365140 is 41563555451.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 154555365091 and 154555365100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154555365149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40638479 + ... + 40642281.

It is an arithmetic number, because the mean of its divisors is an integer number (1955560320).

Almost surely, 2^154555365140 is an apocalyptic number.

154555365140 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 154555365140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187733790720).

154555365140 is an abundant number, since it is smaller than the sum of its proper divisors (220912216300).

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

154555365140 is a wasteful number, since it uses less digits than its factorization.

154555365140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 154555365140 in words is "one hundred fifty-four billion, five hundred fifty-five million, three hundred sixty-five thousand, one hundred forty".