1437448745 has 4 divisors (see below), whose sum is σ = 1724938500. Its totient is φ = 1149958992.

The previous prime is 1437448711. The next prime is 1437448751. The reversal of 1437448745 is 5478447341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5478447341 = 359 ⋅15260299.

It can be written as a sum of positive squares in 2 ways, for example, as 450797824 + 986650921 = 21232^2 + 31411^2 .

It is a cyclic number.

It is not a de Polignac number, because 1437448745 - 2⁶ = 1437448681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1437448745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143744870 + ... + 143744879.

It is an arithmetic number, because the mean of its divisors is an integer number (431234625).

Almost surely, 2^1437448745 is an apocalyptic number.

It is an amenable number.

1437448745 is a deficient number, since it is larger than the sum of its proper divisors (287489755).

1437448745 is an equidigital number, since it uses as much as digits as its factorization.

1437448745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287489754.

The product of its digits is 1505280, while the sum is 47.

The square root of 1437448745 is about 37913.7012833092. The cubic root of 1437448745 is about 1128.5759451792.

The spelling of 1437448745 in words is "one billion, four hundred thirty-seven million, four hundred forty-eight thousand, seven hundred forty-five".