155042052030 has 48 divisors (see below), whose sum is σ = 403489517184. Its totient is φ = 41305554240.

The previous prime is 155042052001. The next prime is 155042052037. The reversal of 155042052030 is 30250240551.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155042051985 and 155042052003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155042052037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716334 + ... + 907313.

It is an arithmetic number, because the mean of its divisors is an integer number (8406031608).

Almost surely, 2^155042052030 is an apocalyptic number.

155042052030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155042052030 is an abundant number, since it is smaller than the sum of its proper divisors (248447465154).

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

155042052030 is a wasteful number, since it uses less digits than its factorization.

155042052030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624721 (or 1624718 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 155042052030 its reverse (30250240551), we get a palindrome (185292292581).

The spelling of 155042052030 in words is "one hundred fifty-five billion, forty-two million, fifty-two thousand, thirty".