146557422238 has 16 divisors (see below), whose sum is σ = 220284758016. Its totient is φ = 73129323960.

The previous prime is 146557422227. The next prime is 146557422247. The reversal of 146557422238 is 832224755641.

It is a junction number, because it is equal to n+sod(n) for n = 146557422191 and 146557422200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910695 + ... + 1985917.

It is an arithmetic number, because the mean of its divisors is an integer number (13767797376).

Almost surely, 2^146557422238 is an apocalyptic number.

146557422238 is a deficient number, since it is larger than the sum of its proper divisors (73727335778).

146557422238 is an equidigital number, since it uses as much as digits as its factorization.

146557422238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77199.

The product of its digits is 3225600, while the sum is 49.

The spelling of 146557422238 in words is "one hundred forty-six billion, five hundred fifty-seven million, four hundred twenty-two thousand, two hundred thirty-eight".