155252203 has 4 divisors (see below), whose sum is σ = 155782368. Its totient is φ = 154722040.

The previous prime is 155252183. The next prime is 155252243. The reversal of 155252203 is 302252551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155252203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155252243) 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, 264643 + ... + 265228.

It is an arithmetic number, because the mean of its divisors is an integer number (38945592).

Almost surely, 2^155252203 is an apocalyptic number.

155252203 is a deficient number, since it is larger than the sum of its proper divisors (530165).

155252203 is an equidigital number, since it uses as much as digits as its factorization.

155252203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530164.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 155252203 is about 12460.0241974083. The cubic root of 155252203 is about 537.4597228157.

The spelling of 155252203 in words is "one hundred fifty-five million, two hundred fifty-two thousand, two hundred three".