1255750345 has 8 divisors (see below), whose sum is σ = 1507135176. Its totient is φ = 1004443776.

The previous prime is 1255750259. The next prime is 1255750361. The reversal of 1255750345 is 5430575521.

It can be written as a sum of positive squares in 4 ways, for example, as 170772624 + 1084977721 = 13068^2 + 32939^2 .

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 1255750345 - 2¹⁵ = 1255717577 is a prime.

It is a Duffinian 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, 24949 + ... + 55981.

It is an arithmetic number, because the mean of its divisors is an integer number (188391897).

Almost surely, 2^1255750345 is an apocalyptic number.

It is an amenable number.

1255750345 is a deficient number, since it is larger than the sum of its proper divisors (251384831).

1255750345 is an equidigital number, since it uses as much as digits as its factorization.

1255750345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39131.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 1255750345 is about 35436.5679066131. The cubic root of 1255750345 is about 1078.8666508744.

The spelling of 1255750345 in words is "one billion, two hundred fifty-five million, seven hundred fifty thousand, three hundred forty-five".