145202253 has 16 divisors (see below), whose sum is σ = 234276480. Its totient is φ = 78091776.

The previous prime is 145202249. The next prime is 145202257. The reversal of 145202253 is 352202541.

145202253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145202249) and next prime (145202257).

It is not a de Polignac number, because 145202253 - 2² = 145202249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145202257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203008 + ... + 203721.

It is an arithmetic number, because the mean of its divisors is an integer number (14642280).

Almost surely, 2^145202253 is an apocalyptic number.

It is an amenable number.

145202253 is a deficient number, since it is larger than the sum of its proper divisors (89074227).

145202253 is a wasteful number, since it uses less digits than its factorization.

145202253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406756.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145202253 is about 12049.9897510330. The cubic root of 145202253 is about 525.6029390324.

Adding to 145202253 its reverse (352202541), we get a palindrome (497404794).

The spelling of 145202253 in words is "one hundred forty-five million, two hundred two thousand, two hundred fifty-three".