154012354561 has 8 divisors (see below), whose sum is σ = 166445538560. Its totient is φ = 141662896272.

The previous prime is 154012354549. The next prime is 154012354597. The reversal of 154012354561 is 165453210451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154012354561 - 2¹¹ = 154012352513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154012354561.

It is not an unprimeable number, because it can be changed into a prime (154012354261) 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, 20927601 + ... + 20934958.

It is an arithmetic number, because the mean of its divisors is an integer number (20805692320).

Almost surely, 2^154012354561 is an apocalyptic number.

It is an amenable number.

154012354561 is a deficient number, since it is larger than the sum of its proper divisors (12433183999).

154012354561 is a wasteful number, since it uses less digits than its factorization.

154012354561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41862855.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 154012354561 in words is "one hundred fifty-four billion, twelve million, three hundred fifty-four thousand, five hundred sixty-one".