154105134214640 has 80 divisors (see below), whose sum is σ = 410153952847872. Its totient is φ = 52749001343232.

The previous prime is 154105134214607. The next prime is 154105134214649. The reversal of 154105134214640 is 46412431501451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154105134214649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226338614 + ... + 227018453.

Almost surely, 2^{154105134214640} is an apocalyptic number.

154105134214640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154105134214640 is an abundant number, since it is smaller than the sum of its proper divisors (256048818633232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154105134214640 is a wasteful number, since it uses less digits than its factorization.

154105134214640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453357694 (or 453357688 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 154105134214640 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred thirty-four million, two hundred fourteen thousand, six hundred forty".