1500145644 has 48 divisors (see below), whose sum is σ = 3594749312. Its totient is φ = 486646272.

The previous prime is 1500145609. The next prime is 1500145651. The reversal of 1500145644 is 4465410051.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140892 + ... + 151164.

Almost surely, 2^1500145644 is an apocalyptic number.

It is an amenable number.

1500145644 is an abundant number, since it is smaller than the sum of its proper divisors (2094603668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1500145644 is a wasteful number, since it uses less digits than its factorization.

1500145644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606 (or 10604 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1500145644 is about 38731.7136723900. The cubic root of 1500145644 is about 1144.7512904123.

Adding to 1500145644 its reverse (4465410051), we get a palindrome (5965555695).

The spelling of 1500145644 in words is "one billion, five hundred million, one hundred forty-five thousand, six hundred forty-four".