154450568514 has 64 divisors (see below), whose sum is σ = 342839278080. Its totient is φ = 45990510720.

The previous prime is 154450568501. The next prime is 154450568527. The reversal of 154450568514 is 415865054451.

It is an interprime number because it is at equal distance from previous prime (154450568501) and next prime (154450568527).

It is a super-2 number, since 2×154450568514² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11118217 + ... + 11132099.

It is an arithmetic number, because the mean of its divisors is an integer number (5356863720).

Almost surely, 2^154450568514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154450568514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171419639040).

154450568514 is an abundant number, since it is smaller than the sum of its proper divisors (188388709566).

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

154450568514 is a wasteful number, since it uses less digits than its factorization.

154450568514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16815.

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 154450568514 in words is "one hundred fifty-four billion, four hundred fifty million, five hundred sixty-eight thousand, five hundred fourteen".