155162507442 has 8 divisors (see below), whose sum is σ = 310325014896. Its totient is φ = 51720835812.

The previous prime is 155162507417. The next prime is 155162507453. The reversal of 155162507442 is 244705261551.

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

155162507442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 155162507394 and 155162507403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930208948 + ... + 12930208959.

It is an arithmetic number, because the mean of its divisors is an integer number (38790626862).

Almost surely, 2^155162507442 is an apocalyptic number.

155162507442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155162507442 is a wasteful number, since it uses less digits than its factorization.

155162507442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25860417912.

The product of its (nonzero) digits is 336000, while the sum is 42.

Adding to 155162507442 its reverse (244705261551), we get a palindrome (399867768993).

The spelling of 155162507442 in words is "one hundred fifty-five billion, one hundred sixty-two million, five hundred seven thousand, four hundred forty-two".