145235564557 has 8 divisors (see below), whose sum is σ = 146992438656. Its totient is φ = 143478858432.

The previous prime is 145235564543. The next prime is 145235564561. The reversal of 145235564557 is 755465532541.

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 145235564557 - 2²³ = 145227175949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145235564597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195093 + ... + 3240229.

It is an arithmetic number, because the mean of its divisors is an integer number (18374054832).

Almost surely, 2^145235564557 is an apocalyptic number.

It is an amenable number.

145235564557 is a deficient number, since it is larger than the sum of its proper divisors (1756874099).

145235564557 is an equidigital number, since it uses as much as digits as its factorization.

145235564557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83987.

The product of its digits is 12600000, while the sum is 52.

The spelling of 145235564557 in words is "one hundred forty-five billion, two hundred thirty-five million, five hundred sixty-four thousand, five hundred fifty-seven".