155006413 has 4 divisors (see below), whose sum is σ = 155069728. Its totient is φ = 154943100.

The previous prime is 155006377. The next prime is 155006461. The reversal of 155006413 is 314600551.

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 155006413 - 2²¹ = 152909261 is a prime.

It is a super-2 number, since 2×155006413² = 48053976142253138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155006113) 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, 27831 + ... + 32932.

It is an arithmetic number, because the mean of its divisors is an integer number (38767432).

Almost surely, 2^155006413 is an apocalyptic number.

It is an amenable number.

155006413 is a deficient number, since it is larger than the sum of its proper divisors (63315).

155006413 is an equidigital number, since it uses as much as digits as its factorization.

155006413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63314.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 155006413 is about 12450.1571476026. The cubic root of 155006413 is about 537.1759436973.

Adding to 155006413 its reverse (314600551), we get a palindrome (469606964).

The spelling of 155006413 in words is "one hundred fifty-five million, six thousand, four hundred thirteen".