154149190727112 has 576 divisors, whose sum is σ = 521622085720320. Its totient is φ = 40248060420096.

The previous prime is 154149190727111. The next prime is 154149190727237. The reversal of 154149190727112 is 211727091941451.

154149190727112 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 491 + 9 + 0 + 72 + 71 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (154149190727111) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2624546098 + ... + 2624604830.

It is an arithmetic number, because the mean of its divisors is an integer number (905593898820).

Almost surely, 2^{154149190727112} is an apocalyptic number.

154149190727112 is a gapful number since it is divisible by the number (12) 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 154149190727112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260811042860160).

154149190727112 is an abundant number, since it is smaller than the sum of its proper divisors (367472894993208).

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

154149190727112 is a wasteful number, since it uses less digits than its factorization.

154149190727112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59310 (or 59286 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 154149190727112 in words is "one hundred fifty-four trillion, one hundred forty-nine billion, one hundred ninety million, seven hundred twenty-seven thousand, one hundred twelve".