1420545532 has 48 divisors (see below), whose sum is σ = 2918784960. Its totient is φ = 592243200.

The previous prime is 1420545523. The next prime is 1420545547. The reversal of 1420545532 is 2355450241.

It is a junction number, because it is equal to n+sod(n) for n = 1420545494 and 1420545503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444982 + ... + 448162.

It is an arithmetic number, because the mean of its divisors is an integer number (60808020).

Almost surely, 2^1420545532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420545532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459392480).

1420545532 is an abundant number, since it is smaller than the sum of its proper divisors (1498239428).

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

1420545532 is a wasteful number, since it uses less digits than its factorization.

1420545532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1420545532 is about 37690.1251258204. The cubic root of 1420545532 is about 1124.1347835059.

Adding to 1420545532 its reverse (2355450241), we get a palindrome (3775995773).

The spelling of 1420545532 in words is "one billion, four hundred twenty million, five hundred forty-five thousand, five hundred thirty-two".