145103202 has 12 divisors (see below), whose sum is σ = 314390310. Its totient is φ = 48367728.

The previous prime is 145103191. The next prime is 145103213. The reversal of 145103202 is 202301541.

It is an interprime number because it is at equal distance from previous prime (145103191) and next prime (145103213).

It can be written as a sum of positive squares in only one way, i.e., 138086001 + 7017201 = 11751^2 + 2649^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8061289 = 145103202 / (1 + 4 + 5 + 1 + 0 + 3 + 2 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4030627 + ... + 4030662.

Almost surely, 2^145103202 is an apocalyptic number.

145103202 is an abundant number, since it is smaller than the sum of its proper divisors (169287108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145103202 is a wasteful number, since it uses less digits than its factorization.

145103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061297 (or 8061294 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 145103202 is about 12045.8790463793. The cubic root of 145103202 is about 525.4833969496.

Adding to 145103202 its reverse (202301541), we get a palindrome (347404743).

The spelling of 145103202 in words is "one hundred forty-five million, one hundred three thousand, two hundred two".