155245343003156 has 24 divisors (see below), whose sum is σ = 321197261387520. Its totient is φ = 64239452276832.

The previous prime is 155245343003057. The next prime is 155245343003159. The reversal of 155245343003156 is 651300343542551.

It is a super-2 number, since 2×155245343003156² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155245343003156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155245343003159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95594422220 + ... + 95594423843.

It is an arithmetic number, because the mean of its divisors is an integer number (13383219224480).

Almost surely, 2^{155245343003156} is an apocalyptic number.

It is an amenable number.

155245343003156 is an abundant number, since it is smaller than the sum of its proper divisors (165951918384364).

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

155245343003156 is a wasteful number, since it uses less digits than its factorization.

155245343003156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191188846103 (or 191188846101 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 155245343003156 in words is "one hundred fifty-five trillion, two hundred forty-five billion, three hundred forty-three million, three thousand, one hundred fifty-six".