154112246442 has 144 divisors (see below), whose sum is σ = 435192383808. Its totient is φ = 38288574720.

The previous prime is 154112246429. The next prime is 154112246479. The reversal of 154112246442 is 244642211451.

154112246442 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 1 + 2 + 2 + 4 + 644 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 154112246397 and 154112246406.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 628098 + ... + 838290.

It is an arithmetic number, because the mean of its divisors is an integer number (3022169332).

Almost surely, 2^154112246442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154112246442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217596191904).

154112246442 is an abundant number, since it is smaller than the sum of its proper divisors (281080137366).

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

154112246442 is a wasteful number, since it uses less digits than its factorization.

154112246442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210265 (or 210239 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

Adding to 154112246442 its reverse (244642211451), we get a palindrome (398754457893).

The spelling of 154112246442 in words is "one hundred fifty-four billion, one hundred twelve million, two hundred forty-six thousand, four hundred forty-two".