147750015440 has 160 divisors (see below), whose sum is σ = 353298101760. Its totient is φ = 57447936000.

The previous prime is 147750015421. The next prime is 147750015463. The reversal of 147750015440 is 44510057741.

It is a junction number, because it is equal to n+sod(n) for n = 147750015394 and 147750015403.

It is a congruent number.

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, 134684972 + ... + 134686068.

It is an arithmetic number, because the mean of its divisors is an integer number (2208113136).

Almost surely, 2^147750015440 is an apocalyptic number.

147750015440 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 147750015440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176649050880).

147750015440 is an abundant number, since it is smaller than the sum of its proper divisors (205548086320).

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

147750015440 is a wasteful number, since it uses less digits than its factorization.

147750015440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 147750015440 in words is "one hundred forty-seven billion, seven hundred fifty million, fifteen thousand, four hundred forty".