145202145 has 32 divisors (see below), whose sum is σ = 255982464. Its totient is φ = 69696000.

The previous prime is 145202111. The next prime is 145202147. The reversal of 145202145 is 541202541.

It is not a de Polignac number, because 145202145 - 2⁹ = 145201633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145202147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12309 + ... + 21021.

It is an arithmetic number, because the mean of its divisors is an integer number (7999452).

Almost surely, 2^145202145 is an apocalyptic number.

145202145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145202145 is a deficient number, since it is larger than the sum of its proper divisors (110780319).

145202145 is a wasteful number, since it uses less digits than its factorization.

145202145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 145202145 is about 12049.9852697005. The cubic root of 145202145 is about 525.6028087196.

Adding to 145202145 its reverse (541202541), we get a palindrome (686404686).

The spelling of 145202145 in words is "one hundred forty-five million, two hundred two thousand, one hundred forty-five".