145546677557 has 8 divisors (see below), whose sum is σ = 148369776096. Its totient is φ = 142742719152.

The previous prime is 145546677487. The next prime is 145546677583. The reversal of 145546677557 is 755776645541.

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 145546677557 - 2²² = 145542483253 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 145546677557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145546667557) 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, 4769678 + ... + 4800095.

It is an arithmetic number, because the mean of its divisors is an integer number (18546222012).

Almost surely, 2^145546677557 is an apocalyptic number.

It is an amenable number.

145546677557 is a deficient number, since it is larger than the sum of its proper divisors (2823098539).

145546677557 is an equidigital number, since it uses as much as digits as its factorization.

145546677557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570067.

The product of its digits is 123480000, while the sum is 62.

The spelling of 145546677557 in words is "one hundred forty-five billion, five hundred forty-six million, six hundred seventy-seven thousand, five hundred fifty-seven".