1514545420 has 24 divisors (see below), whose sum is σ = 3266507664. Its totient is φ = 589444416.

The previous prime is 1514545411. The next prime is 1514545429. The reversal of 1514545420 is 245454151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1514545411) and next prime (1514545429).

It is not an unprimeable number, because it can be changed into a prime (1514545429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022602 + ... + 1024081.

It is an arithmetic number, because the mean of its divisors is an integer number (136104486).

Almost surely, 2^1514545420 is an apocalyptic number.

1514545420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1514545420 is an abundant number, since it is smaller than the sum of its proper divisors (1751962244).

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

1514545420 is a wasteful number, since it uses less digits than its factorization.

1514545420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046729 (or 2046727 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1514545420 is about 38917.1609961467. The cubic root of 1514545420 is about 1148.4024244039.

Adding to 1514545420 its reverse (245454151), we get a palindrome (1759999571).

The spelling of 1514545420 in words is "one billion, five hundred fourteen million, five hundred forty-five thousand, four hundred twenty".