1514144021 has 8 divisors (see below), whose sum is σ = 1632228024. Its totient is φ = 1396290240.

The previous prime is 1514144003. The next prime is 1514144041. The reversal of 1514144021 is 1204414151.

It can be written as a sum of positive squares in 4 ways, for example, as 15602500 + 1498541521 = 3950^2 + 38711^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1514144021 - 2⁶ = 1514143957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1514144041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43766 + ... + 70311.

It is an arithmetic number, because the mean of its divisors is an integer number (204028503).

Almost surely, 2^1514144021 is an apocalyptic number.

It is an amenable number.

1514144021 is a deficient number, since it is larger than the sum of its proper divisors (118084003).

1514144021 is a wasteful number, since it uses less digits than its factorization.

1514144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115111.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1514144021 is about 38912.0035593132. The cubic root of 1514144021 is about 1148.3009619875.

Adding to 1514144021 its reverse (1204414151), we get a palindrome (2718558172).

The spelling of 1514144021 in words is "one billion, five hundred fourteen million, one hundred forty-four thousand, twenty-one".