1651420045 has 8 divisors (see below), whose sum is σ = 2161859040. Its totient is φ = 1201032720.

The previous prime is 1651420037. The next prime is 1651420061. The reversal of 1651420045 is 5400241561.

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

It is not a de Polignac number, because 1651420045 - 2³ = 1651420037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1651419995 and 1651420022.

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 7 ways as a sum of consecutive naturals, for example, 15012855 + ... + 15012964.

It is an arithmetic number, because the mean of its divisors is an integer number (270232380).

Almost surely, 2^1651420045 is an apocalyptic number.

It is an amenable number.

1651420045 is a deficient number, since it is larger than the sum of its proper divisors (510438995).

1651420045 is a wasteful number, since it uses less digits than its factorization.

1651420045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30025835.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1651420045 is about 40637.6678095582. The cubic root of 1651420045 is about 1182.0046469088.

The spelling of 1651420045 in words is "one billion, six hundred fifty-one million, four hundred twenty thousand, forty-five".