154081763557 has 8 divisors (see below), whose sum is σ = 162565914560. Its totient is φ = 145635071040.

The previous prime is 154081763551. The next prime is 154081763587. The reversal of 154081763557 is 755367180451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154081763557 is a prime.

It is the 392533-rd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154081763551) by changing a digit.

It is a nontrivial repunit in base 392532.

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 7 ways as a sum of consecutive naturals, for example, 9356169 + ... + 9372622.

It is an arithmetic number, because the mean of its divisors is an integer number (20320739320).

Almost surely, 2^154081763557 is an apocalyptic number.

It is an amenable number.

154081763557 is a deficient number, since it is larger than the sum of its proper divisors (8484151003).

154081763557 is a wasteful number, since it uses less digits than its factorization.

154081763557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18729243.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 154081763557 in words is "one hundred fifty-four billion, eighty-one million, seven hundred sixty-three thousand, five hundred fifty-seven".