1053145420 has 24 divisors (see below), whose sum is σ = 2224855584. Its totient is φ = 418734336.

The previous prime is 1053145399. The next prime is 1053145421. The reversal of 1053145420 is 245413501.

It is a happy number.

It is a super-2 number, since 2×1053145420² = 2218230551333952800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053145421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154317 + ... + 160996.

It is an arithmetic number, because the mean of its divisors is an integer number (92702316).

Almost surely, 2^1053145420 is an apocalyptic number.

1053145420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053145420 is an abundant number, since it is smaller than the sum of its proper divisors (1171710164).

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

1053145420 is a wasteful number, since it uses less digits than its factorization.

1053145420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315489 (or 315487 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1053145420 is about 32452.2020824473. The cubic root of 1053145420 is about 1017.4102636040.

Adding to 1053145420 its reverse (245413501), we get a palindrome (1298558921).

The spelling of 1053145420 in words is "one billion, fifty-three million, one hundred forty-five thousand, four hundred twenty".