147144780 has 72 divisors (see below), whose sum is σ = 455861952. Its totient is φ = 38401536.

The previous prime is 147144773. The next prime is 147144787. The reversal of 147144780 is 87441741.

It is an interprime number because it is at equal distance from previous prime (147144773) and next prime (147144787).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (147144787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (6331416).

Almost surely, 2^147144780 is an apocalyptic number.

147144780 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 147144780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227930976).

147144780 is an abundant number, since it is smaller than the sum of its proper divisors (308717172).

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

147144780 is a wasteful number, since it uses less digits than its factorization.

147144780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17455 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 147144780 is about 12130.3248101607. The cubic root of 147144780 is about 527.9364162414.

The spelling of 147144780 in words is "one hundred forty-seven million, one hundred forty-four thousand, seven hundred eighty".