145042145 has 8 divisors (see below), whose sum is σ = 174926400. Its totient is φ = 115449840.

The previous prime is 145042129. The next prime is 145042159. The reversal of 145042145 is 541240541.

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

It is not a de Polignac number, because 145042145 - 2⁴ = 145042129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71891 + ... + 73880.

It is an arithmetic number, because the mean of its divisors is an integer number (21865800).

Almost surely, 2^145042145 is an apocalyptic number.

It is an amenable number.

145042145 is a deficient number, since it is larger than the sum of its proper divisors (29884255).

145042145 is a wasteful number, since it uses less digits than its factorization.

145042145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145975.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145042145 is about 12043.3444275251. The cubic root of 145042145 is about 525.4096817350.

Adding to 145042145 its reverse (541240541), we get a palindrome (686282686).

The spelling of 145042145 in words is "one hundred forty-five million, forty-two thousand, one hundred forty-five".