146640423202 has 48 divisors (see below), whose sum is σ = 287535794112. Its totient is φ = 55489341600.

The previous prime is 146640423121. The next prime is 146640423203. The reversal of 146640423202 is 202324046641.

It is not an unprimeable number, because it can be changed into a prime (146640423203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2472924 + ... + 2531527.

It is an arithmetic number, because the mean of its divisors is an integer number (5990329044).

Almost surely, 2^146640423202 is an apocalyptic number.

146640423202 is a deficient number, since it is larger than the sum of its proper divisors (140895370910).

146640423202 is a wasteful number, since it uses less digits than its factorization.

146640423202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004503 (or 5004496 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 146640423202 its reverse (202324046641), we get a palindrome (348964469843).

The spelling of 146640423202 in words is "one hundred forty-six billion, six hundred forty million, four hundred twenty-three thousand, two hundred two".