155852842 has 8 divisors (see below), whose sum is σ = 234008676. Its totient is φ = 77849952.

The previous prime is 155852819. The next prime is 155852857. The reversal of 155852842 is 248258551.

It can be written as a sum of positive squares in 2 ways, for example, as 102839881 + 53012961 = 10141^2 + 7281^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 155852795 and 155852804.

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, 35653 + ... + 39784.

Almost surely, 2^155852842 is an apocalyptic number.

155852842 is a deficient number, since it is larger than the sum of its proper divisors (78155834).

155852842 is a wasteful number, since it uses less digits than its factorization.

155852842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76472.

The product of its digits is 128000, while the sum is 40.

The square root of 155852842 is about 12484.1035721433. The cubic root of 155852842 is about 538.1519381262.

The spelling of 155852842 in words is "one hundred fifty-five million, eight hundred fifty-two thousand, eight hundred forty-two".