1045513420 has 48 divisors (see below), whose sum is σ = 2512738368. Its totient is φ = 357960960.

The previous prime is 1045513327. The next prime is 1045513421. The reversal of 1045513420 is 243155401.

It is a happy number.

It is a super-2 number, since 2×1045513420² = 2186196622800192800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1045513421) 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, 103390 + ... + 113050.

It is an arithmetic number, because the mean of its divisors is an integer number (52348716).

Almost surely, 2^1045513420 is an apocalyptic number.

1045513420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045513420 is an abundant number, since it is smaller than the sum of its proper divisors (1467224948).

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

1045513420 is a wasteful number, since it uses less digits than its factorization.

1045513420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450 (or 10448 counting only the distinct ones).

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

The square root of 1045513420 is about 32334.3999480430. The cubic root of 1045513420 is about 1014.9466253570.

Adding to 1045513420 its reverse (243155401), we get a palindrome (1288668821).

The spelling of 1045513420 in words is "one billion, forty-five million, five hundred thirteen thousand, four hundred twenty".