145134445 has 8 divisors (see below), whose sum is σ = 183327840. Its totient is φ = 109996560.

The previous prime is 145134443. The next prime is 145134463. The reversal of 145134445 is 544431541.

145134445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145134445 - 2¹ = 145134443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145134443) 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, 763771 + ... + 763960.

It is an arithmetic number, because the mean of its divisors is an integer number (22915980).

Almost surely, 2^145134445 is an apocalyptic number.

It is an amenable number.

145134445 is a deficient number, since it is larger than the sum of its proper divisors (38193395).

145134445 is a wasteful number, since it uses less digits than its factorization.

145134445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527755.

The product of its digits is 19200, while the sum is 31.

The square root of 145134445 is about 12047.1758101225. The cubic root of 145134445 is about 525.5211091878.

Adding to 145134445 its reverse (544431541), we get a palindrome (689565986).

The spelling of 145134445 in words is "one hundred forty-five million, one hundred thirty-four thousand, four hundred forty-five".