4545885437 has 2 divisors, whose sum is σ = 4545885438. Its totient is φ = 4545885436.

The previous prime is 4545885433. The next prime is 4545885497. The reversal of 4545885437 is 7345885454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2636719801 + 1909165636 = 51349^2 + 43694^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545885437 - 2² = 4545885433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545885431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272942718 + 2272942719.

It is an arithmetic number, because the mean of its divisors is an integer number (2272942719).

Almost surely, 2^4545885437 is an apocalyptic number.

It is an amenable number.

4545885437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545885437 is an equidigital number, since it uses as much as digits as its factorization.

4545885437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752000, while the sum is 53.

The square root of 4545885437 is about 67423.1817478232. The cubic root of 4545885437 is about 1656.5561540950.

The spelling of 4545885437 in words is "four billion, five hundred forty-five million, eight hundred eighty-five thousand, four hundred thirty-seven".