154240536064 has 20 divisors (see below), whose sum is σ = 308179822104. Its totient is φ = 77120267776.

The previous prime is 154240536061. The next prime is 154240536077. The reversal of 154240536064 is 460635042451.

154240536064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×154240536064² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154240536061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150625012 + ... + 150626035.

Almost surely, 2^154240536064 is an apocalyptic number.

It is an amenable number.

154240536064 is a deficient number, since it is larger than the sum of its proper divisors (153939286040).

154240536064 is an frugal number, since it uses more digits than its factorization.

154240536064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301251065 (or 301251049 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 154240536064 in words is "one hundred fifty-four billion, two hundred forty million, five hundred thirty-six thousand, sixty-four".