1445650473 has 8 divisors (see below), whose sum is σ = 2028983200. Its totient is φ = 913042368.

The previous prime is 1445650433. The next prime is 1445650499. The reversal of 1445650473 is 3740565441.

It is a happy number.

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

It is not a de Polignac number, because 1445650473 - 2¹⁴ = 1445634089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1445650433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12681088 + ... + 12681201.

It is an arithmetic number, because the mean of its divisors is an integer number (253622900).

Almost surely, 2^1445650473 is an apocalyptic number.

It is an amenable number.

1445650473 is a deficient number, since it is larger than the sum of its proper divisors (583332727).

1445650473 is a wasteful number, since it uses less digits than its factorization.

1445650473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25362311.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 1445650473 is about 38021.7105480540. The cubic root of 1445650473 is about 1130.7183343449.

The spelling of 1445650473 in words is "one billion, four hundred forty-five million, six hundred fifty thousand, four hundred seventy-three".