155065063 has 4 divisors (see below), whose sum is σ = 155654928. Its totient is φ = 154475200.

The previous prime is 155065051. The next prime is 155065091. The reversal of 155065063 is 360560551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360560551 = 13 ⋅27735427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155065063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155065013) 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, 294538 + ... + 295063.

It is an arithmetic number, because the mean of its divisors is an integer number (38913732).

Almost surely, 2^155065063 is an apocalyptic number.

155065063 is a deficient number, since it is larger than the sum of its proper divisors (589865).

155065063 is an equidigital number, since it uses as much as digits as its factorization.

155065063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589864.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 155065063 is about 12452.5123167978. The cubic root of 155065063 is about 537.2436858329.

The spelling of 155065063 in words is "one hundred fifty-five million, sixty-five thousand, sixty-three".