145035145 has 4 divisors (see below), whose sum is σ = 174042180. Its totient is φ = 116028112.

The previous prime is 145035139. The next prime is 145035181. The reversal of 145035145 is 541530541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541530541 = 199 ⋅2721259.

It can be written as a sum of positive squares in 2 ways, for example, as 51796809 + 93238336 = 7197^2 + 9656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145035145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14503510 + ... + 14503519.

It is an arithmetic number, because the mean of its divisors is an integer number (43510545).

Almost surely, 2^145035145 is an apocalyptic number.

It is an amenable number.

145035145 is a deficient number, since it is larger than the sum of its proper divisors (29007035).

145035145 is an equidigital number, since it uses as much as digits as its factorization.

145035145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29007034.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 145035145 is about 12043.0538070707. The cubic root of 145035145 is about 525.4012291873.

Adding to 145035145 its reverse (541530541), we get a palindrome (686565686).

The spelling of 145035145 in words is "one hundred forty-five million, thirty-five thousand, one hundred forty-five".