1520365045 has 8 divisors (see below), whose sum is σ = 1826979840. Its totient is φ = 1214597520.

The previous prime is 1520364983. The next prime is 1520365051. The reversal of 1520365045 is 5405630251.

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

It is not a de Polignac number, because 1520365045 - 2⁷ = 1520364917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1520364998 and 1520365016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207861 + ... + 215050.

It is an arithmetic number, because the mean of its divisors is an integer number (228372480).

Almost surely, 2^1520365045 is an apocalyptic number.

It is an amenable number.

1520365045 is a deficient number, since it is larger than the sum of its proper divisors (306614795).

1520365045 is an equidigital number, since it uses as much as digits as its factorization.

1520365045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423635.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1520365045 is about 38991.8587015290. The cubic root of 1520365045 is about 1149.8714525502.

Adding to 1520365045 its reverse (5405630251), we get a palindrome (6925995296).

The spelling of 1520365045 in words is "one billion, five hundred twenty million, three hundred sixty-five thousand, forty-five".