155225453 has 8 divisors (see below), whose sum is σ = 164489472. Its totient is φ = 145976256.

The previous prime is 155225417. The next prime is 155225479. The reversal of 155225453 is 354522551.

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 155225453 - 2²⁰ = 154176877 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 (155225353) 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, 23726 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (20561184).

Almost surely, 2^155225453 is an apocalyptic number.

It is an amenable number.

155225453 is a deficient number, since it is larger than the sum of its proper divisors (9264019).

155225453 is a wasteful number, since it uses less digits than its factorization.

155225453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411.

The product of its digits is 30000, while the sum is 32.

The square root of 155225453 is about 12458.9507182587. The cubic root of 155225453 is about 537.4288528869.

The spelling of 155225453 in words is "one hundred fifty-five million, two hundred twenty-five thousand, four hundred fifty-three".