154076661455742 has 12 divisors (see below), whose sum is σ = 333832766487480. Its totient is φ = 51358887151908.

The previous prime is 154076661455693. The next prime is 154076661455767. The reversal of 154076661455742 is 247554166670451.

It is a self number, because there is not a number n which added to its sum of digits gives 154076661455742.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 4279907262642 + ... + 4279907262677.

It is an arithmetic number, because the mean of its divisors is an integer number (27819397207290).

Almost surely, 2^{154076661455742} is an apocalyptic number.

154076661455742 is an abundant number, since it is smaller than the sum of its proper divisors (179756105031738).

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

154076661455742 is a wasteful number, since it uses less digits than its factorization.

154076661455742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559814525327 (or 8559814525324 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 63.

The spelling of 154076661455742 in words is "one hundred fifty-four trillion, seventy-six billion, six hundred sixty-one million, four hundred fifty-five thousand, seven hundred forty-two".