45102277 has 4 divisors (see below), whose sum is σ = 49202496. Its totient is φ = 41002060.

The previous prime is 45102271. The next prime is 45102293. The reversal of 45102277 is 77220154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45102277 - 2³ = 45102269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050093 + ... + 2050114.

It is an arithmetic number, because the mean of its divisors is an integer number (12300624).

Almost surely, 2^45102277 is an apocalyptic number.

It is an amenable number.

45102277 is a deficient number, since it is larger than the sum of its proper divisors (4100219).

45102277 is a wasteful number, since it uses less digits than its factorization.

45102277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100218.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 45102277 is about 6715.8228833107. The cubic root of 45102277 is about 355.9585994232.

The spelling of 45102277 in words is "forty-five million, one hundred two thousand, two hundred seventy-seven".