145345143578 has 8 divisors (see below), whose sum is σ = 218566879572. Its totient is φ = 72489517056.

The previous prime is 145345143577. The next prime is 145345143631. The reversal of 145345143578 is 875341543541.

It can be written as a sum of positive squares in 2 ways, for example, as 139064105569 + 6281038009 = 372913^2 + 79253^2 .

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

It is a super-2 number, since 2×145345143578² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145345143571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91526375 + ... + 91527962.

Almost surely, 2^145345143578 is an apocalyptic number.

145345143578 is a deficient number, since it is larger than the sum of its proper divisors (73221735994).

145345143578 is a wasteful number, since it uses less digits than its factorization.

145345143578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183054736.

The product of its digits is 4032000, while the sum is 50.

The spelling of 145345143578 in words is "one hundred forty-five billion, three hundred forty-five million, one hundred forty-three thousand, five hundred seventy-eight".