147293530 has 16 divisors (see below), whose sum is σ = 267863400. Its totient is φ = 58309632.

The previous prime is 147293527. The next prime is 147293557. The reversal of 147293530 is 35392741.

It can be written as a sum of positive squares in 4 ways, for example, as 77387209 + 69906321 = 8797^2 + 8361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74955 + ... + 76894.

Almost surely, 2^147293530 is an apocalyptic number.

147293530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147293530 is a deficient number, since it is larger than the sum of its proper divisors (120569870).

147293530 is a wasteful number, since it uses less digits than its factorization.

147293530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151953.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 147293530 is about 12136.4545893766. The cubic root of 147293530 is about 528.1142549078.

The spelling of 147293530 in words is "one hundred forty-seven million, two hundred ninety-three thousand, five hundred thirty".