147973056 has 112 divisors (see below), whose sum is σ = 488167680. Its totient is φ = 38430720.

The previous prime is 147973039. The next prime is 147973073. The reversal of 147973056 is 650379741.

It is an interprime number because it is at equal distance from previous prime (147973039) and next prime (147973073).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 147972999 and 147973017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9780 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (4358640).

Almost surely, 2^147973056 is an apocalyptic number.

147973056 is a gapful number since it is divisible by the number (16) 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 147973056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244083840).

147973056 is an abundant number, since it is smaller than the sum of its proper divisors (340194624).

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

147973056 is a wasteful number, since it uses less digits than its factorization.

147973056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042 (or 10032 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 147973056 is about 12164.4176186121. The cubic root of 147973056 is about 528.9251457175.

The spelling of 147973056 in words is "one hundred forty-seven million, nine hundred seventy-three thousand, fifty-six".