45497719 has 8 divisors (see below), whose sum is σ = 45914112. Its totient is φ = 45083640.

The previous prime is 45497717. The next prime is 45497737. The reversal of 45497719 is 91779454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45497719 - 2¹ = 45497717 is a prime.

It is a super-2 number, since 2×45497719² = 4140084868405922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45497717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80532 + ... + 81094.

It is an arithmetic number, because the mean of its divisors is an integer number (5739264).

Almost surely, 2^45497719 is an apocalyptic number.

45497719 is a deficient number, since it is larger than the sum of its proper divisors (416393).

45497719 is a wasteful number, since it uses less digits than its factorization.

45497719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 317520, while the sum is 46.

The square root of 45497719 is about 6745.1997005278. The cubic root of 45497719 is about 356.9958832732.

The spelling of 45497719 in words is "forty-five million, four hundred ninety-seven thousand, seven hundred nineteen".