155100413 has 4 divisors (see below), whose sum is σ = 167031228. Its totient is φ = 143169600.

The previous prime is 155100373. The next prime is 155100427. The reversal of 155100413 is 314001551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314001551 = 241 ⋅1302911.

It can be written as a sum of positive squares in 2 ways, for example, as 87647044 + 67453369 = 9362^2 + 8213^2 .

It is a cyclic number.

It is not a de Polignac number, because 155100413 - 2⁶ = 155100349 is a prime.

It is a super-2 number, since 2×155100413² = 48112276225541138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155100443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5965388 + ... + 5965413.

It is an arithmetic number, because the mean of its divisors is an integer number (41757807).

Almost surely, 2^155100413 is an apocalyptic number.

155100413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155100413 is a deficient number, since it is larger than the sum of its proper divisors (11930815).

155100413 is a wasteful number, since it uses less digits than its factorization.

155100413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930814.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 155100413 is about 12453.9316282048. The cubic root of 155100413 is about 537.2845076681.

Adding to 155100413 its reverse (314001551), we get a palindrome (469101964).

The spelling of 155100413 in words is "one hundred fifty-five million, one hundred thousand, four hundred thirteen".