155025113 has 8 divisors (see below), whose sum is σ = 156443400. Its totient is φ = 153612160.

The previous prime is 155025089. The next prime is 155025121. The reversal of 155025113 is 311520551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9412624 + 145612489 = 3068^2 + 12067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155025113 - 2¹² = 155021017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155025133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76631 + ... + 78627.

It is an arithmetic number, because the mean of its divisors is an integer number (19555425).

Almost surely, 2^155025113 is an apocalyptic number.

It is an amenable number.

155025113 is a deficient number, since it is larger than the sum of its proper divisors (1418287).

155025113 is a wasteful number, since it uses less digits than its factorization.

155025113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 155025113 is about 12450.9081194907. The cubic root of 155025113 is about 537.1975444944.

Adding to 155025113 its reverse (311520551), we get a palindrome (466545664).

The spelling of 155025113 in words is "one hundred fifty-five million, twenty-five thousand, one hundred thirteen".