147930493 has 4 divisors (see below), whose sum is σ = 147972160. Its totient is φ = 147888828.

The previous prime is 147930491. The next prime is 147930521. The reversal of 147930493 is 394039741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147930493 - 2¹ = 147930491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147930491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14955 + ... + 22792.

It is an arithmetic number, because the mean of its divisors is an integer number (36993040).

Almost surely, 2^147930493 is an apocalyptic number.

It is an amenable number.

147930493 is a deficient number, since it is larger than the sum of its proper divisors (41667).

147930493 is an equidigital number, since it uses as much as digits as its factorization.

147930493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41666.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 147930493 is about 12162.6680050061. The cubic root of 147930493 is about 528.8744274754.

The spelling of 147930493 in words is "one hundred forty-seven million, nine hundred thirty thousand, four hundred ninety-three".