154014452314520 has 128 divisors (see below), whose sum is σ = 419381033362560. Its totient is φ = 49693143736320.

The previous prime is 154014452314493. The next prime is 154014452314529. The reversal of 154014452314520 is 25413254410451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154014452314529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40233410 + ... + 43894830.

It is an arithmetic number, because the mean of its divisors is an integer number (3276414323145).

Almost surely, 2^{154014452314520} is an apocalyptic number.

154014452314520 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 154014452314520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209690516681280).

154014452314520 is an abundant number, since it is smaller than the sum of its proper divisors (265366581048040).

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

154014452314520 is a wasteful number, since it uses less digits than its factorization.

154014452314520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670293 (or 3670289 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 154014452314520 in words is "one hundred fifty-four trillion, fourteen billion, four hundred fifty-two million, three hundred fourteen thousand, five hundred twenty".