154051721052 has 24 divisors (see below), whose sum is σ = 367813412736. Its totient is φ = 50156374128.

The previous prime is 154051721027. The next prime is 154051721063. The reversal of 154051721052 is 250127150451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149274408 + ... + 149275439.

It is an arithmetic number, because the mean of its divisors is an integer number (15325558864).

Almost surely, 2^154051721052 is an apocalyptic number.

154051721052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154051721052 is an abundant number, since it is smaller than the sum of its proper divisors (213761691684).

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

154051721052 is a wasteful number, since it uses less digits than its factorization.

154051721052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298549897 (or 298549895 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 154051721052 in words is "one hundred fifty-four billion, fifty-one million, seven hundred twenty-one thousand, fifty-two".