1045729655 has 4 divisors (see below), whose sum is σ = 1254875592. Its totient is φ = 836583720.

The previous prime is 1045729637. The next prime is 1045729667. The reversal of 1045729655 is 5569275401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5569275401 = 2003 ⋅2780467.

It is not a de Polignac number, because 1045729655 - 2¹⁴ = 1045713271 is a prime.

It is a super-2 number, since 2×1045729655² = 2187101022692838050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 104572961 + ... + 104572970.

It is an arithmetic number, because the mean of its divisors is an integer number (313718898).

Almost surely, 2^1045729655 is an apocalyptic number.

1045729655 is a deficient number, since it is larger than the sum of its proper divisors (209145937).

1045729655 is an equidigital number, since it uses as much as digits as its factorization.

1045729655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209145936.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 1045729655 is about 32337.7435050747. The cubic root of 1045729655 is about 1015.0165915736.

The spelling of 1045729655 in words is "one billion, forty-five million, seven hundred twenty-nine thousand, six hundred fifty-five".