155126404 has 6 divisors (see below), whose sum is σ = 271471214. Its totient is φ = 77563200.

The previous prime is 155126383. The next prime is 155126437. The reversal of 155126404 is 404621551.

It can be written as a sum of positive squares in only one way, i.e., 155002500 + 123904 = 12450^2 + 352^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19390797 + ... + 19390804.

Almost surely, 2^155126404 is an apocalyptic number.

It is an amenable number.

155126404 is a deficient number, since it is larger than the sum of its proper divisors (116344810).

155126404 is a wasteful number, since it uses less digits than its factorization.

155126404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38781605 (or 38781603 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 155126404 is about 12454.9750702280. The cubic root of 155126404 is about 537.3145178647.

Adding to 155126404 its reverse (404621551), we get a palindrome (559747955).

The spelling of 155126404 in words is "one hundred fifty-five million, one hundred twenty-six thousand, four hundred four".