155154151041450 has 192 divisors, whose sum is σ = 441868107916800. Its totient is φ = 35632453651200.

The previous prime is 155154151041443. The next prime is 155154151041467. The reversal of 155154151041450 is 54140151451551.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1786561729 + ... + 1786648571.

It is an arithmetic number, because the mean of its divisors is an integer number (2301396395400).

Almost surely, 2^{155154151041450} is an apocalyptic number.

155154151041450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155154151041450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220934053958400).

155154151041450 is an abundant number, since it is smaller than the sum of its proper divisors (286713956875350).

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

155154151041450 is a wasteful number, since it uses less digits than its factorization.

155154151041450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143877 (or 143872 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 42.

The spelling of 155154151041450 in words is "one hundred fifty-five trillion, one hundred fifty-four billion, one hundred fifty-one million, forty-one thousand, four hundred fifty".