152504221402 has 8 divisors (see below), whose sum is σ = 246352973076. Its totient is φ = 70386563712.

The previous prime is 152504221393. The next prime is 152504221433. The reversal of 152504221402 is 204122405251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139113334441 + 13390886961 = 372979^2 + 115719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932773463 + ... + 2932773514.

Almost surely, 2^152504221402 is an apocalyptic number.

152504221402 is a deficient number, since it is larger than the sum of its proper divisors (93848751674).

152504221402 is a wasteful number, since it uses less digits than its factorization.

152504221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865546992.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 152504221402 its reverse (204122405251), we get a palindrome (356626626653).

The spelling of 152504221402 in words is "one hundred fifty-two billion, five hundred four million, two hundred twenty-one thousand, four hundred two".