45577951 has 2 divisors, whose sum is σ = 45577952. Its totient is φ = 45577950.

The previous prime is 45577949. The next prime is 45577957. The reversal of 45577951 is 15977554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45577951 - 2¹ = 45577949 is a prime.

Together with 45577949, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45577898 and 45577907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45577957) by changing a digit.

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 as a sum of consecutive naturals, namely, 22788975 + 22788976.

It is an arithmetic number, because the mean of its divisors is an integer number (22788976).

Almost surely, 2^45577951 is an apocalyptic number.

45577951 is a deficient number, since it is larger than the sum of its proper divisors (1).

45577951 is an equidigital number, since it uses as much as digits as its factorization.

45577951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 43.

The square root of 45577951 is about 6751.1444215037. The cubic root of 45577951 is about 357.2056056833.

The spelling of 45577951 in words is "forty-five million, five hundred seventy-seven thousand, nine hundred fifty-one".