154240555164 has 48 divisors (see below), whose sum is σ = 378867175680. Its totient is φ = 48703593600.

The previous prime is 154240555129. The next prime is 154240555169. The reversal of 154240555164 is 461555042451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154240555169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4248489 + ... + 4284639.

It is an arithmetic number, because the mean of its divisors is an integer number (7893066160).

Almost surely, 2^154240555164 is an apocalyptic number.

It is an amenable number.

154240555164 is an abundant number, since it is smaller than the sum of its proper divisors (224626620516).

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

154240555164 is a wasteful number, since it uses less digits than its factorization.

154240555164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54890 (or 54888 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 154240555164 in words is "one hundred fifty-four billion, two hundred forty million, five hundred fifty-five thousand, one hundred sixty-four".