155225363 has 4 divisors (see below), whose sum is σ = 155276280. Its totient is φ = 155174448.

The previous prime is 155225353. The next prime is 155225377. The reversal of 155225363 is 363522551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363522551 = 7 ⋅51931793.

It is a cyclic number.

It is not a de Polignac number, because 155225363 - 2⁴ = 155225347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155225333) 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, 20573 + ... + 27086.

It is an arithmetic number, because the mean of its divisors is an integer number (38819070).

Almost surely, 2^155225363 is an apocalyptic number.

155225363 is a deficient number, since it is larger than the sum of its proper divisors (50917).

155225363 is an equidigital number, since it uses as much as digits as its factorization.

155225363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50916.

The product of its digits is 27000, while the sum is 32.

The square root of 155225363 is about 12458.9471063971. The cubic root of 155225363 is about 537.4287490194.

The spelling of 155225363 in words is "one hundred fifty-five million, two hundred twenty-five thousand, three hundred sixty-three".