154220081480 has 16 divisors (see below), whose sum is σ = 346995183420. Its totient is φ = 61688032576.

The previous prime is 154220081473. The next prime is 154220081501. The reversal of 154220081480 is 84180022451.

It can be written as a sum of positive squares in 2 ways, for example, as 154045260196 + 174821284 = 392486^2 + 13222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 154220081480.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927750979 + ... + 1927751058.

Almost surely, 2^154220081480 is an apocalyptic number.

154220081480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154220081480 is an abundant number, since it is smaller than the sum of its proper divisors (192775101940).

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

154220081480 is a wasteful number, since it uses less digits than its factorization.

154220081480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855502048 (or 3855502044 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 154220081480 in words is "one hundred fifty-four billion, two hundred twenty million, eighty-one thousand, four hundred eighty".