154350020451340 has 96 divisors (see below), whose sum is σ = 373915402882560. Its totient is φ = 52423563085824.

The previous prime is 154350020451337. The next prime is 154350020451343. The reversal of 154350020451340 is 43154020053451.

It is an interprime number because it is at equal distance from previous prime (154350020451337) and next prime (154350020451343).

It is a self number, because there is not a number n which added to its sum of digits gives 154350020451340.

It is not an unprimeable number, because it can be changed into a prime (154350020451343) 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, 459553347 + ... + 459889093.

It is an arithmetic number, because the mean of its divisors is an integer number (3894952113360).

Almost surely, 2^{154350020451340} is an apocalyptic number.

154350020451340 is a gapful number since it is divisible by the number (10) 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 154350020451340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186957701441280).

154350020451340 is an abundant number, since it is smaller than the sum of its proper divisors (219565382431220).

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

154350020451340 is a wasteful number, since it uses less digits than its factorization.

154350020451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366559 (or 366557 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 154350020451340 in words is "one hundred fifty-four trillion, three hundred fifty billion, twenty million, four hundred fifty-one thousand, three hundred forty".