155524042 has 32 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 73416000.

The previous prime is 155524021. The next prime is 155524049. The reversal of 155524042 is 240425551.

It is a self number, because there is not a number n which added to its sum of digits gives 155524042.

It is not an unprimeable number, because it can be changed into a prime (155524049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814167 + ... + 814357.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^155524042 is an apocalyptic number.

155524042 is a deficient number, since it is larger than the sum of its proper divisors (91234358).

155524042 is a wasteful number, since it uses less digits than its factorization.

155524042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 155524042 is about 12470.9278724560. The cubic root of 155524042 is about 537.7732284554.

Adding to 155524042 its reverse (240425551), we get a palindrome (395949593).

The spelling of 155524042 in words is "one hundred fifty-five million, five hundred twenty-four thousand, forty-two".