155450441 has 2 divisors, whose sum is σ = 155450442. Its totient is φ = 155450440.

The previous prime is 155450437. The next prime is 155450443. The reversal of 155450441 is 144054551.

155450441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89775625 + 65674816 = 9475^2 + 8104^2 .

It is a cyclic number.

It is not a de Polignac number, because 155450441 - 2² = 155450437 is a prime.

Together with 155450443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155450443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77725220 + 77725221.

It is an arithmetic number, because the mean of its divisors is an integer number (77725221).

Almost surely, 2^155450441 is an apocalyptic number.

It is an amenable number.

155450441 is a deficient number, since it is larger than the sum of its proper divisors (1).

155450441 is an equidigital number, since it uses as much as digits as its factorization.

155450441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 155450441 is about 12467.9766201257. The cubic root of 155450441 is about 537.6883822107.

The spelling of 155450441 in words is "one hundred fifty-five million, four hundred fifty thousand, four hundred forty-one".