1420465145 has 8 divisors (see below), whose sum is σ = 1859518080. Its totient is φ = 1033065520.

The previous prime is 1420465133. The next prime is 1420465147. The reversal of 1420465145 is 5415640241.

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

It is not a de Polignac number, because 1420465145 - 2²⁰ = 1419416569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420465147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12913265 + ... + 12913374.

It is an arithmetic number, because the mean of its divisors is an integer number (232439760).

Almost surely, 2^1420465145 is an apocalyptic number.

It is an amenable number.

1420465145 is a deficient number, since it is larger than the sum of its proper divisors (439052935).

1420465145 is a wasteful number, since it uses less digits than its factorization.

1420465145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25826655.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1420465145 is about 37689.0586908190. The cubic root of 1420465145 is about 1124.1135786178.

The spelling of 1420465145 in words is "one billion, four hundred twenty million, four hundred sixty-five thousand, one hundred forty-five".