1254565045 has 8 divisors (see below), whose sum is σ = 1506970296. Its totient is φ = 1002657216.

The previous prime is 1254565019. The next prime is 1254565051. The reversal of 1254565045 is 5405654521.

It can be written as a sum of positive squares in 4 ways, for example, as 3740356 + 1250824689 = 1934^2 + 35367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1254565045 - 2¹⁹ = 1254040757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254564995 and 1254565013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118782 + ... + 128911.

It is an arithmetic number, because the mean of its divisors is an integer number (188371287).

Almost surely, 2^1254565045 is an apocalyptic number.

It is an amenable number.

1254565045 is a deficient number, since it is larger than the sum of its proper divisors (252405251).

1254565045 is a wasteful number, since it uses less digits than its factorization.

1254565045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248711.

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 1254565045 is about 35419.8397088411. The cubic root of 1254565045 is about 1078.5270973946.

The spelling of 1254565045 in words is "one billion, two hundred fifty-four million, five hundred sixty-five thousand, forty-five".