147144530 has 16 divisors (see below), whose sum is σ = 285234264. Its totient is φ = 54330240.

The previous prime is 147144511. The next prime is 147144533. The reversal of 147144530 is 35441741.

It is a happy number.

147144530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 129663769 + 17480761 = 11387^2 + 4181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147144493 and 147144502.

It is not an unprimeable number, because it can be changed into a prime (147144533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565811 + ... + 566070.

Almost surely, 2^147144530 is an apocalyptic number.

147144530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147144530 is a deficient number, since it is larger than the sum of its proper divisors (138089734).

147144530 is a wasteful number, since it uses less digits than its factorization.

147144530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131901.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 147144530 is about 12130.3145054034. The cubic root of 147144530 is about 527.9361172520.

The spelling of 147144530 in words is "one hundred forty-seven million, one hundred forty-four thousand, five hundred thirty".