154052254512 has 160 divisors (see below), whose sum is σ = 481553553600. Its totient is φ = 46867949568.

The previous prime is 154052254481. The next prime is 154052254513. The reversal of 154052254512 is 215452250451.

154052254512 is a `hidden beast` number, since 1 + 5 + 40 + 52 + 2 + 54 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (154052254513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345718 + ... + 653930.

It is an arithmetic number, because the mean of its divisors is an integer number (3009709710).

Almost surely, 2^154052254512 is an apocalyptic number.

154052254512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154052254512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240776776800).

154052254512 is an abundant number, since it is smaller than the sum of its proper divisors (327501299088).

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

154052254512 is a wasteful number, since it uses less digits than its factorization.

154052254512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308332 (or 308320 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 154052254512 in words is "one hundred fifty-four billion, fifty-two million, two hundred fifty-four thousand, five hundred twelve".