145005002 has 16 divisors (see below), whose sum is σ = 231481800. Its totient is φ = 67888128.

The previous prime is 145005001. The next prime is 145005013. The reversal of 145005002 is 200500541.

It can be written as a sum of positive squares in 4 ways, for example, as 144985681 + 19321 = 12041^2 + 139^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (145005001) 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, 4127 + ... + 17522.

Almost surely, 2^145005002 is an apocalyptic number.

145005002 is a deficient number, since it is larger than the sum of its proper divisors (86476798).

145005002 is a wasteful number, since it uses less digits than its factorization.

145005002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 145005002 is about 12041.8022737462. The cubic root of 145005002 is about 525.3648282020.

Adding to 145005002 its reverse (200500541), we get a palindrome (345505543).

The spelling of 145005002 in words is "one hundred forty-five million, five thousand, two".