155243700436 has 24 divisors (see below), whose sum is σ = 296417802240. Its totient is φ = 70554969600.

The previous prime is 155243700379. The next prime is 155243700467. The reversal of 155243700436 is 634007342551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48820 + ... + 559348.

It is an arithmetic number, because the mean of its divisors is an integer number (12350741760).

Almost surely, 2^155243700436 is an apocalyptic number.

It is an amenable number.

155243700436 is a deficient number, since it is larger than the sum of its proper divisors (141174101804).

155243700436 is a wasteful number, since it uses less digits than its factorization.

155243700436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517455 (or 517453 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 155243700436 in words is "one hundred fifty-five billion, two hundred forty-three million, seven hundred thousand, four hundred thirty-six".