146830057 has 4 divisors (see below), whose sum is σ = 160178256. Its totient is φ = 133481860.

The previous prime is 146830049. The next prime is 146830067. The reversal of 146830057 is 750038641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 750038641 = 11 ⋅68185331.

It is a cyclic number.

It is not a de Polignac number, because 146830057 - 2³ = 146830049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146830067) 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, 6674083 + ... + 6674104.

It is an arithmetic number, because the mean of its divisors is an integer number (40044564).

Almost surely, 2^146830057 is an apocalyptic number.

It is an amenable number.

146830057 is a deficient number, since it is larger than the sum of its proper divisors (13348199).

146830057 is a wasteful number, since it uses less digits than its factorization.

146830057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348198.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 146830057 is about 12117.3452950719. The cubic root of 146830057 is about 527.5597524461.

Adding to 146830057 its reverse (750038641), we get a palindrome (896868698).

The spelling of 146830057 in words is "one hundred forty-six million, eight hundred thirty thousand, fifty-seven".