152443139885 has 16 divisors (see below), whose sum is σ = 183694656816. Its totient is φ = 121446893568.

The previous prime is 152443139879. The next prime is 152443139923. The reversal of 152443139885 is 588931344251.

It can be written as a sum of positive squares in 8 ways, for example, as 42509780041 + 109933359844 = 206179^2 + 331562^2 .

It is a cyclic number.

It is not a de Polignac number, because 152443139885 - 2¹⁴ = 152443123501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202237 + ... + 1322973.

It is an arithmetic number, because the mean of its divisors is an integer number (11480916051).

Almost surely, 2^152443139885 is an apocalyptic number.

It is an amenable number.

152443139885 is a deficient number, since it is larger than the sum of its proper divisors (31251516931).

152443139885 is a wasteful number, since it uses less digits than its factorization.

152443139885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121792.

The product of its digits is 4147200, while the sum is 53.

The spelling of 152443139885 in words is "one hundred fifty-two billion, four hundred forty-three million, one hundred thirty-nine thousand, eight hundred eighty-five".