252453045 has 48 divisors (see below), whose sum is σ = 445875840. Its totient is φ = 121874688.

The previous prime is 252453041. The next prime is 252453101. The reversal of 252453045 is 540354252.

It is not a de Polignac number, because 252453045 - 2² = 252453041 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 (252453041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133416 + ... + 135294.

It is an arithmetic number, because the mean of its divisors is an integer number (9289080).

Almost surely, 2^252453045 is an apocalyptic number.

It is an amenable number.

252453045 is a deficient number, since it is larger than the sum of its proper divisors (193422795).

252453045 is a wasteful number, since it uses less digits than its factorization.

252453045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 252453045 is about 15888.7710349165. The cubic root of 252453045 is about 632.0142510339.

The spelling of 252453045 in words is "two hundred fifty-two million, four hundred fifty-three thousand, forty-five".