146556853 has 2 divisors, whose sum is σ = 146556854. Its totient is φ = 146556852.

The previous prime is 146556841. The next prime is 146556901. The reversal of 146556853 is 358655641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122810724 + 23746129 = 11082^2 + 4873^2 .

It is an emirp because it is prime and its reverse (358655641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146556853 - 2¹⁷ = 146425781 is a prime.

It is a super-2 number, since 2×146556853² = 42957822322527218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146556803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73278426 + 73278427.

It is an arithmetic number, because the mean of its divisors is an integer number (73278427).

Almost surely, 2^146556853 is an apocalyptic number.

It is an amenable number.

146556853 is a deficient number, since it is larger than the sum of its proper divisors (1).

146556853 is an equidigital number, since it uses as much as digits as its factorization.

146556853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 43.

The square root of 146556853 is about 12106.0667848810. The cubic root of 146556853 is about 527.2323423678.

The spelling of 146556853 in words is "one hundred forty-six million, five hundred fifty-six thousand, eight hundred fifty-three".