45195787 has 12 divisors (see below), whose sum is σ = 56619696. Its totient is φ = 35758800.

The previous prime is 45195781. The next prime is 45195797. The reversal of 45195787 is 78759154.

It is a happy number.

It is not a de Polignac number, because 45195787 - 2³ = 45195779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45195781) 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 11 ways as a sum of consecutive naturals, for example, 34839 + ... + 36112.

It is an arithmetic number, because the mean of its divisors is an integer number (4718308).

Almost surely, 2^45195787 is an apocalyptic number.

45195787 is a deficient number, since it is larger than the sum of its proper divisors (11423909).

45195787 is a wasteful number, since it uses less digits than its factorization.

45195787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70978 (or 70971 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The square root of 45195787 is about 6722.7811953090. The cubic root of 45195787 is about 356.2044311469.

The spelling of 45195787 in words is "forty-five million, one hundred ninety-five thousand, seven hundred eighty-seven".