45497319 has 16 divisors (see below), whose sum is σ = 70506240. Its totient is φ = 25557120.

The previous prime is 45497293. The next prime is 45497327. The reversal of 45497319 is 91379454.

It is not a de Polignac number, because 45497319 - 2⁹ = 45496807 is a prime.

It is a super-2 number, since 2×45497319² = 4140012072375522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45497329) 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 15 ways as a sum of consecutive naturals, for example, 17122 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (4406640).

Almost surely, 2^45497319 is an apocalyptic number.

45497319 is a deficient number, since it is larger than the sum of its proper divisors (25008921).

45497319 is a wasteful number, since it uses less digits than its factorization.

45497319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36790.

The product of its digits is 136080, while the sum is 42.

The square root of 45497319 is about 6745.1700497467. The cubic root of 45497319 is about 356.9948370759.

The spelling of 45497319 in words is "forty-five million, four hundred ninety-seven thousand, three hundred nineteen".