155126872 has 8 divisors (see below), whose sum is σ = 290862900. Its totient is φ = 77563432.

The previous prime is 155126861. The next prime is 155126879. The reversal of 155126872 is 278621551.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155126879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9695422 + ... + 9695437.

Almost surely, 2^155126872 is an apocalyptic number.

It is an amenable number.

155126872 is a deficient number, since it is larger than the sum of its proper divisors (135736028).

155126872 is a wasteful number, since it uses less digits than its factorization.

155126872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19390865 (or 19390861 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 155126872 is about 12454.9938578869. The cubic root of 155126872 is about 537.3150582046.

The spelling of 155126872 in words is "one hundred fifty-five million, one hundred twenty-six thousand, eight hundred seventy-two".