745145004319 has 4 divisors (see below), whose sum is σ = 745327150920. Its totient is φ = 744962857720.

The previous prime is 745145004283. The next prime is 745145004371. The reversal of 745145004319 is 913400541547.

It is a happy number.

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 745145004319 - 2²⁷ = 745010786591 is a prime.

It is a super-2 number, since 2×745145004319² (a number of 25 digits) 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 (745145002319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91067164 + ... + 91075345.

It is an arithmetic number, because the mean of its divisors is an integer number (186331787730).

Almost surely, 2^745145004319 is an apocalyptic number.

745145004319 is a deficient number, since it is larger than the sum of its proper divisors (182146601).

745145004319 is a wasteful number, since it uses less digits than its factorization.

745145004319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182146600.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 745145004319 in words is "seven hundred forty-five billion, one hundred forty-five million, four thousand, three hundred nineteen".