45543877 has 2 divisors, whose sum is σ = 45543878. Its totient is φ = 45543876.

The previous prime is 45543871. The next prime is 45543913. The reversal of 45543877 is 77834554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 4186116 = 6431^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 45543877 - 2¹¹ = 45541829 is a prime.

It is a super-2 number, since 2×45543877² = 4148489464382258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45543871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22771938 + 22771939.

It is an arithmetic number, because the mean of its divisors is an integer number (22771939).

Almost surely, 2^45543877 is an apocalyptic number.

It is an amenable number.

45543877 is a deficient number, since it is larger than the sum of its proper divisors (1).

45543877 is an equidigital number, since it uses as much as digits as its factorization.

45543877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 43.

The square root of 45543877 is about 6748.6203775290. The cubic root of 45543877 is about 357.1165680535.

The spelling of 45543877 in words is "forty-five million, five hundred forty-three thousand, eight hundred seventy-seven".