147494213 has 4 divisors (see below), whose sum is σ = 147573228. Its totient is φ = 147415200.

The previous prime is 147494209. The next prime is 147494219. The reversal of 147494213 is 312494741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312494741 = 13 ⋅24038057.

It can be written as a sum of positive squares in 2 ways, for example, as 130462084 + 17032129 = 11422^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 147494213 - 2² = 147494209 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 (147494219) 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, 36638 + ... + 40463.

It is an arithmetic number, because the mean of its divisors is an integer number (36893307).

Almost surely, 2^147494213 is an apocalyptic number.

It is an amenable number.

147494213 is a deficient number, since it is larger than the sum of its proper divisors (79015).

147494213 is an equidigital number, since it uses as much as digits as its factorization.

147494213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79014.

The product of its digits is 24192, while the sum is 35.

The square root of 147494213 is about 12144.7195521346. The cubic root of 147494213 is about 528.3539926530.

The spelling of 147494213 in words is "one hundred forty-seven million, four hundred ninety-four thousand, two hundred thirteen".