152121402344 has 8 divisors (see below), whose sum is σ = 285227629410. Its totient is φ = 76060701168.

The previous prime is 152121402337. The next prime is 152121402353. The reversal of 152121402344 is 443204121251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130169424100 + 21951978244 = 360790^2 + 148162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×152121402344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9507587639 + ... + 9507587654.

Almost surely, 2^152121402344 is an apocalyptic number.

It is an amenable number.

152121402344 is a deficient number, since it is larger than the sum of its proper divisors (133106227066).

152121402344 is a wasteful number, since it uses less digits than its factorization.

152121402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19015175299 (or 19015175295 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 152121402344 its reverse (443204121251), we get a palindrome (595325523595).

The spelling of 152121402344 in words is "one hundred fifty-two billion, one hundred twenty-one million, four hundred two thousand, three hundred forty-four".