155461555394 has 16 divisors (see below), whose sum is σ = 246333000480. Its totient is φ = 73379468160.

The previous prime is 155461555393. The next prime is 155461555517. The reversal of 155461555394 is 493555164551.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155461555393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7217327 + ... + 7238834.

It is an arithmetic number, because the mean of its divisors is an integer number (15395812530).

Almost surely, 2^155461555394 is an apocalyptic number.

155461555394 is a deficient number, since it is larger than the sum of its proper divisors (90871445086).

155461555394 is a wasteful number, since it uses less digits than its factorization.

155461555394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14456465.

The product of its digits is 8100000, while the sum is 53.

The spelling of 155461555394 in words is "one hundred fifty-five billion, four hundred sixty-one million, five hundred fifty-five thousand, three hundred ninety-four".