155250101455450 has 24 divisors (see below), whose sum is σ = 291742149424572. Its totient is φ = 61459833976320.

The previous prime is 155250101455429. The next prime is 155250101455451. The reversal of 155250101455450 is 54554101052551.

It can be written as a sum of positive squares in 6 ways, for example, as 79790145796089 + 75459955659361 = 8932533^2 + 8686769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155250101455397 and 155250101455406.

It is not an unprimeable number, because it can be changed into a prime (155250101455451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16005160249 + ... + 16005169948.

Almost surely, 2^{155250101455450} is an apocalyptic number.

155250101455450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155250101455450 is a deficient number, since it is larger than the sum of its proper divisors (136492047969122).

155250101455450 is a wasteful number, since it uses less digits than its factorization.

155250101455450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32010330306 (or 32010330301 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 43.

The spelling of 155250101455450 in words is "one hundred fifty-five trillion, two hundred fifty billion, one hundred one million, four hundred fifty-five thousand, four hundred fifty".