745084045 has 4 divisors (see below), whose sum is σ = 894100860. Its totient is φ = 596067232.

The previous prime is 745084033. The next prime is 745084079. The reversal of 745084045 is 540480547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540480547 = 233 ⋅2319659.

It can be written as a sum of positive squares in 2 ways, for example, as 570923236 + 174160809 = 23894^2 + 13197^2 .

It is a cyclic number.

It is not a de Polignac number, because 745084045 - 2¹⁷ = 744952973 is a prime.

It is a super-2 number, since 2×745084045² = 1110300468227124050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745083995 and 745084013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74508400 + ... + 74508409.

It is an arithmetic number, because the mean of its divisors is an integer number (223525215).

Almost surely, 2^745084045 is an apocalyptic number.

It is an amenable number.

745084045 is a deficient number, since it is larger than the sum of its proper divisors (149016815).

745084045 is a wasteful number, since it uses less digits than its factorization.

745084045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149016814.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 745084045 is about 27296.2276697715. The cubic root of 745084045 is about 906.5708582772.

The spelling of 745084045 in words is "seven hundred forty-five million, eighty-four thousand, forty-five".