155445111400030 has 8 divisors (see below), whose sum is σ = 279801200520072. Its totient is φ = 62178044560008.

The previous prime is 155445111400009. The next prime is 155445111400031. The reversal of 155445111400030 is 30004111544551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155445111400031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7772255569992 + ... + 7772255570011.

It is an arithmetic number, because the mean of its divisors is an integer number (34975150065009).

Almost surely, 2^{155445111400030} is an apocalyptic number.

155445111400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155445111400030 is a deficient number, since it is larger than the sum of its proper divisors (124356089120042).

155445111400030 is a wasteful number, since it uses less digits than its factorization.

155445111400030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15544511140010.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 155445111400030 its reverse (30004111544551), we get a palindrome (185449222944581).

The spelling of 155445111400030 in words is "one hundred fifty-five trillion, four hundred forty-five billion, one hundred eleven million, four hundred thousand, thirty".