154661422112 has 54 divisors (see below), whose sum is σ = 321446759823. Its totient is φ = 73240651584.

The previous prime is 154661422073. The next prime is 154661422129. The reversal of 154661422112 is 211224166451.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 77330711056 + 77330711056 = 278084^2 + 278084^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=278084.

It is a super-3 number, since 3×154661422112³ (a number of 35 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42266939 + ... + 42270597.

Almost surely, 2^154661422112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154661422112

154661422112 is an abundant number, since it is smaller than the sum of its proper divisors (166785337711).

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

154661422112 is an frugal number, since it uses more digits than its factorization.

154661422112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366 (or 3680 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

Adding to 154661422112 its reverse (211224166451), we get a palindrome (365885588563).

The spelling of 154661422112 in words is "one hundred fifty-four billion, six hundred sixty-one million, four hundred twenty-two thousand, one hundred twelve".