45503977 has 2 divisors, whose sum is σ = 45503978. Its totient is φ = 45503976.

The previous prime is 45503957. The next prime is 45503981. The reversal of 45503977 is 77930554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 3370896 = 6491^2 + 1836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45503977 is a prime.

It is a super-2 number, since 2×45503977² = 4141223845633058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45503957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22751988 + 22751989.

It is an arithmetic number, because the mean of its divisors is an integer number (22751989).

Almost surely, 2^45503977 is an apocalyptic number.

It is an amenable number.

45503977 is a deficient number, since it is larger than the sum of its proper divisors (1).

45503977 is an equidigital number, since it uses as much as digits as its factorization.

45503977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 45503977 is about 6745.6635700278. The cubic root of 45503977 is about 357.0122502315.

The spelling of 45503977 in words is "forty-five million, five hundred three thousand, nine hundred seventy-seven".