155105202 has 32 divisors (see below), whose sum is σ = 355110912. Its totient is φ = 44242704.

The previous prime is 155105191. The next prime is 155105213. The reversal of 155105202 is 202501551.

It is an interprime number because it is at equal distance from previous prime (155105191) and next prime (155105213).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25983 + ... + 31389.

It is an arithmetic number, because the mean of its divisors is an integer number (11097216).

Almost surely, 2^155105202 is an apocalyptic number.

155105202 is an abundant number, since it is smaller than the sum of its proper divisors (200005710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155105202 is a wasteful number, since it uses less digits than its factorization.

155105202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 155105202 is about 12454.1238953208. The cubic root of 155105202 is about 537.2900374815.

Adding to 155105202 its reverse (202501551), we get a palindrome (357606753).

The spelling of 155105202 in words is "one hundred fifty-five million, one hundred five thousand, two hundred two".