155350041242 has 32 divisors (see below), whose sum is σ = 255518625600. Its totient is φ = 70250843520.

The previous prime is 155350041233. The next prime is 155350041247. The reversal of 155350041242 is 242140053551.

It is a super-2 number, since 2×155350041242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155350041199 and 155350041208.

It is not an unprimeable number, because it can be changed into a prime (155350041247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3378518 + ... + 3424190.

It is an arithmetic number, because the mean of its divisors is an integer number (7984957050).

Almost surely, 2^155350041242 is an apocalyptic number.

155350041242 is a deficient number, since it is larger than the sum of its proper divisors (100168584358).

155350041242 is a wasteful number, since it uses less digits than its factorization.

155350041242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46478.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 155350041242 its reverse (242140053551), we get a palindrome (397490094793).

The spelling of 155350041242 in words is "one hundred fifty-five billion, three hundred fifty million, forty-one thousand, two hundred forty-two".