45310319 has 4 divisors (see below), whose sum is σ = 45726120. Its totient is φ = 44894520.

The previous prime is 45310301. The next prime is 45310339. The reversal of 45310319 is 91301354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45310319 - 2¹² = 45306223 is a prime.

It is a super-2 number, since 2×45310319² = 4106050015763522, 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 (45310339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207737 + ... + 207954.

It is an arithmetic number, because the mean of its divisors is an integer number (11431530).

Almost surely, 2^45310319 is an apocalyptic number.

45310319 is a deficient number, since it is larger than the sum of its proper divisors (415801).

45310319 is a wasteful number, since it uses less digits than its factorization.

45310319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415800.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 45310319 is about 6731.2940063557. The cubic root of 45310319 is about 356.5050667856.

The spelling of 45310319 in words is "forty-five million, three hundred ten thousand, three hundred nineteen".