155954743388 has 24 divisors (see below), whose sum is σ = 282358576080. Its totient is φ = 75281373440.

The previous prime is 155954743349. The next prime is 155954743403. The reversal of 155954743388 is 883347459551.

It is a self number, because there is not a number n which added to its sum of digits gives 155954743388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291643 + ... + 1407213.

It is an arithmetic number, because the mean of its divisors is an integer number (11764940670).

Almost surely, 2^155954743388 is an apocalyptic number.

It is an amenable number.

155954743388 is a deficient number, since it is larger than the sum of its proper divisors (126403832692).

155954743388 is a wasteful number, since it uses less digits than its factorization.

155954743388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127237 (or 127235 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 62.

The spelling of 155954743388 in words is "one hundred fifty-five billion, nine hundred fifty-four million, seven hundred forty-three thousand, three hundred eighty-eight".