146456012242 has 4 divisors (see below), whose sum is σ = 219684018366. Its totient is φ = 73228006120.

The previous prime is 146456012179. The next prime is 146456012243. The reversal of 146456012242 is 242210654641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100191873961 + 46264138281 = 316531^2 + 215091^2 .

It is not an unprimeable number, because it can be changed into a prime (146456012243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36614003059 + ... + 36614003062.

Almost surely, 2^146456012242 is an apocalyptic number.

146456012242 is a deficient number, since it is larger than the sum of its proper divisors (73228006124).

146456012242 is an equidigital number, since it uses as much as digits as its factorization.

146456012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73228006123.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 146456012242 its reverse (242210654641), we get a palindrome (388666666883).

The spelling of 146456012242 in words is "one hundred forty-six billion, four hundred fifty-six million, twelve thousand, two hundred forty-two".