155012202 has 12 divisors (see below), whose sum is σ = 335859810. Its totient is φ = 51670728.

The previous prime is 155012177. The next prime is 155012213. The reversal of 155012202 is 202210551.

155012202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 116186841 + 38825361 = 10779^2 + 6231^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8611789 = 155012202 / (1 + 5 + 5 + 0 + 1 + 2 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4305877 + ... + 4305912.

Almost surely, 2^155012202 is an apocalyptic number.

155012202 is an abundant number, since it is smaller than the sum of its proper divisors (180847608).

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

155012202 is a wasteful number, since it uses less digits than its factorization.

155012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611797 (or 8611794 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 155012202 is about 12450.3896324573. The cubic root of 155012202 is about 537.1826308891.

Adding to 155012202 its reverse (202210551), we get a palindrome (357222753).

The spelling of 155012202 in words is "one hundred fifty-five million, twelve thousand, two hundred two".