1500420245 has 16 divisors (see below), whose sum is σ = 1841349888. Its totient is φ = 1173176640.

The previous prime is 1500420223. The next prime is 1500420247. The reversal of 1500420245 is 5420240051.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1500420245 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1500420245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500420247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183290 + ... + 191300.

It is an arithmetic number, because the mean of its divisors is an integer number (115084368).

Almost surely, 2^1500420245 is an apocalyptic number.

It is an amenable number.

1500420245 is a deficient number, since it is larger than the sum of its proper divisors (340929643).

1500420245 is an equidigital number, since it uses as much as digits as its factorization.

1500420245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1500420245 is about 38735.2584217532. The cubic root of 1500420245 is about 1144.8211348908.

Adding to 1500420245 its reverse (5420240051), we get a palindrome (6920660296).

The spelling of 1500420245 in words is "one billion, five hundred million, four hundred twenty thousand, two hundred forty-five".