155030441 has 4 divisors (see below), whose sum is σ = 155981712. Its totient is φ = 154079172.

The previous prime is 155030431. The next prime is 155030501. The reversal of 155030441 is 144030551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155030441 - 2¹⁸ = 154768297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155030431) 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, 475391 + ... + 475716.

It is an arithmetic number, because the mean of its divisors is an integer number (38995428).

Almost surely, 2^155030441 is an apocalyptic number.

It is an amenable number.

155030441 is a deficient number, since it is larger than the sum of its proper divisors (951271).

155030441 is an equidigital number, since it uses as much as digits as its factorization.

155030441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951270.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155030441 is about 12451.1220779494. The cubic root of 155030441 is about 537.2036986709.

Adding to 155030441 its reverse (144030551), we get a palindrome (299060992).

The spelling of 155030441 in words is "one hundred fifty-five million, thirty thousand, four hundred forty-one".