1255032045 has 24 divisors (see below), whose sum is σ = 2234186136. Its totient is φ = 651259008.

The previous prime is 1255032041. The next prime is 1255032047. The reversal of 1255032045 is 5402305521.

It is a happy number.

1255032045 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 493106436 + 761925609 = 22206^2 + 27603^2 .

It is not a de Polignac number, because 1255032045 - 2² = 1255032041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255032041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375222 + ... + 378551.

It is an arithmetic number, because the mean of its divisors is an integer number (93091089).

Almost surely, 2^1255032045 is an apocalyptic number.

1255032045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255032045 is a deficient number, since it is larger than the sum of its proper divisors (979154091).

1255032045 is a wasteful number, since it uses less digits than its factorization.

1255032045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753821 (or 753818 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1255032045 is about 35426.4314460263. The cubic root of 1255032045 is about 1078.6609046381.

Adding to 1255032045 its reverse (5402305521), we get a palindrome (6657337566).

The spelling of 1255032045 in words is "one billion, two hundred fifty-five million, thirty-two thousand, forty-five".