146057815402 has 4 divisors (see below), whose sum is σ = 219086723106. Its totient is φ = 73028907700.

The previous prime is 146057815367. The next prime is 146057815403. The reversal of 146057815402 is 204518750641.

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., 122843941081 + 23213874321 = 350491^2 + 152361^2 .

It is not an unprimeable number, because it can be changed into a prime (146057815403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36514453849 + ... + 36514453852.

Almost surely, 2^146057815402 is an apocalyptic number.

146057815402 is a deficient number, since it is larger than the sum of its proper divisors (73028907704).

146057815402 is an equidigital number, since it uses as much as digits as its factorization.

146057815402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73028907703.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 146057815402 in words is "one hundred forty-six billion, fifty-seven million, eight hundred fifteen thousand, four hundred two".