154240245416512 has 28 divisors (see below), whose sum is σ = 324074633294700. Its totient is φ = 72583644901376.

The previous prime is 154240245416503. The next prime is 154240245416531. The reversal of 154240245416512 is 215614542042451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119042414350336 + 35197831066176 = 10910656^2 + 5932776^2 .

It is a super-2 number, since 2×154240245416512² (a number of 29 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 70882464637 + ... + 70882466812.

Almost surely, 2^{154240245416512} is an apocalyptic number.

It is an amenable number.

154240245416512 is an abundant number, since it is smaller than the sum of its proper divisors (169834387878188).

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

154240245416512 is a wasteful number, since it uses less digits than its factorization.

154240245416512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141764931478 (or 141764931468 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 46.

Adding to 154240245416512 its reverse (215614542042451), we get a palindrome (369854787458963).

The spelling of 154240245416512 in words is "one hundred fifty-four trillion, two hundred forty billion, two hundred forty-five million, four hundred sixteen thousand, five hundred twelve".