155354230220104 has 32 divisors (see below), whose sum is σ = 298398388407840. Its totient is φ = 75781384963200.

The previous prime is 155354230220089. The next prime is 155354230220131. The reversal of 155354230220104 is 401022032453551.

It is a happy number.

It is an unprimeable number.

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, 17892559 + ... + 25116769.

It is an arithmetic number, because the mean of its divisors is an integer number (9324949637745).

Almost surely, 2^{155354230220104} is an apocalyptic number.

It is an amenable number.

155354230220104 is a deficient number, since it is larger than the sum of its proper divisors (143044158187736).

155354230220104 is a wasteful number, since it uses less digits than its factorization.

155354230220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7289821 (or 7289817 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 155354230220104 its reverse (401022032453551), we get a palindrome (556376262673655).

The spelling of 155354230220104 in words is "one hundred fifty-five trillion, three hundred fifty-four billion, two hundred thirty million, two hundred twenty thousand, one hundred four".