155441013 has 32 divisors (see below), whose sum is σ = 270095616. Its totient is φ = 77165568.

The previous prime is 155441003. The next prime is 155441093. The reversal of 155441013 is 310144551.

It is a happy number.

It is not a de Polignac number, because 155441013 - 2⁵ = 155440981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155441003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12106 + ... + 21387.

It is an arithmetic number, because the mean of its divisors is an integer number (8440488).

Almost surely, 2^155441013 is an apocalyptic number.

155441013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155441013 is a deficient number, since it is larger than the sum of its proper divisors (114654603).

155441013 is a wasteful number, since it uses less digits than its factorization.

155441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33533.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 155441013 is about 12467.5985257787. The cubic root of 155441013 is about 537.6775118039.

Adding to 155441013 its reverse (310144551), we get a palindrome (465585564).

The spelling of 155441013 in words is "one hundred fifty-five million, four hundred forty-one thousand, thirteen".