1255433545 has 8 divisors (see below), whose sum is σ = 1506714120. Its totient is φ = 1004217600.

The previous prime is 1255433537. The next prime is 1255433549. The reversal of 1255433545 is 5453345521.

It can be written as a sum of positive squares in 4 ways, for example, as 46063369 + 1209370176 = 6787^2 + 34776^2 .

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

It is not a de Polignac number, because 1255433545 - 2³ = 1255433537 is a prime.

It is a super-2 number, since 2×1255433545² = 3152226771822534050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255433549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55395 + ... + 74695.

It is an arithmetic number, because the mean of its divisors is an integer number (188339265).

Almost surely, 2^1255433545 is an apocalyptic number.

It is an amenable number.

1255433545 is a deficient number, since it is larger than the sum of its proper divisors (251280575).

1255433545 is a wasteful number, since it uses less digits than its factorization.

1255433545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32315.

The product of its digits is 180000, while the sum is 37.

The square root of 1255433545 is about 35432.0976658171. The cubic root of 1255433545 is about 1078.7759179507.

The spelling of 1255433545 in words is "one billion, two hundred fifty-five million, four hundred thirty-three thousand, five hundred forty-five".