155020541450 has 12 divisors (see below), whose sum is σ = 288338207190. Its totient is φ = 62008216560.

The previous prime is 155020541371. The next prime is 155020541479. The reversal of 155020541450 is 54145020551.

155020541450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 69470726329 + 85549815121 = 263573^2 + 292489^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1550205365 + ... + 1550205464.

Almost surely, 2^155020541450 is an apocalyptic number.

155020541450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155020541450 is a deficient number, since it is larger than the sum of its proper divisors (133317665740).

155020541450 is a wasteful number, since it uses less digits than its factorization.

155020541450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100410841 (or 3100410836 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 155020541450 in words is "one hundred fifty-five billion, twenty million, five hundred forty-one thousand, four hundred fifty".