154636225121140 has 96 divisors (see below), whose sum is σ = 374068860125184. Its totient is φ = 52597903962240.

The previous prime is 154636225121113. The next prime is 154636225121167. The reversal of 154636225121140 is 41121522636451.

It is an interprime number because it is at equal distance from previous prime (154636225121113) and next prime (154636225121167).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353443359 + ... + 353880601.

It is an arithmetic number, because the mean of its divisors is an integer number (3896550626304).

Almost surely, 2^{154636225121140} is an apocalyptic number.

154636225121140 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 154636225121140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187034430062592).

154636225121140 is an abundant number, since it is smaller than the sum of its proper divisors (219432635004044).

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

154636225121140 is a wasteful number, since it uses less digits than its factorization.

154636225121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457277 (or 457275 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 154636225121140 its reverse (41121522636451), we get a palindrome (195757747757591).

The spelling of 154636225121140 in words is "one hundred fifty-four trillion, six hundred thirty-six billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred forty".