155400340154 has 16 divisors (see below), whose sum is σ = 236598945408. Its totient is φ = 76534214592.

The previous prime is 155400340061. The next prime is 155400340163. The reversal of 155400340154 is 451043004551.

It is a self number, because there is not a number n which added to its sum of digits gives 155400340154.

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, 1895762 + ... + 1976034.

It is an arithmetic number, because the mean of its divisors is an integer number (14787434088).

Almost surely, 2^155400340154 is an apocalyptic number.

155400340154 is a deficient number, since it is larger than the sum of its proper divisors (81198605254).

155400340154 is a wasteful number, since it uses less digits than its factorization.

155400340154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94789.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 155400340154 in words is "one hundred fifty-five billion, four hundred million, three hundred forty thousand, one hundred fifty-four".