155126636 has 12 divisors (see below), whose sum is σ = 310253328. Its totient is φ = 66482832.

The previous prime is 155126617. The next prime is 155126689. The reversal of 155126636 is 636621551.

155126636 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 155126596 and 155126605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770091 + ... + 2770146.

It is an arithmetic number, because the mean of its divisors is an integer number (25854444).

Almost surely, 2^155126636 is an apocalyptic number.

It is an amenable number.

155126636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155126636 is a wasteful number, since it uses less digits than its factorization.

155126636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540248 (or 5540246 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 155126636 is about 12454.9843837718. The cubic root of 155126636 is about 537.3147857256.

The spelling of 155126636 in words is "one hundred fifty-five million, one hundred twenty-six thousand, six hundred thirty-six".