745566355 has 4 divisors (see below), whose sum is σ = 894679632. Its totient is φ = 596453080.

The previous prime is 745566281. The next prime is 745566359. The reversal of 745566355 is 553665547.

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

It is not a de Polignac number, because 745566355 - 2¹⁷ = 745435283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745566359) by changing a digit.

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, 74556631 + ... + 74556640.

It is an arithmetic number, because the mean of its divisors is an integer number (223669908).

Almost surely, 2^745566355 is an apocalyptic number.

745566355 is a deficient number, since it is larger than the sum of its proper divisors (149113277).

745566355 is a wasteful number, since it uses less digits than its factorization.

745566355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149113276.

The product of its digits is 1890000, while the sum is 46.

The square root of 745566355 is about 27305.0609777748. The cubic root of 745566355 is about 906.7664307903.

The spelling of 745566355 in words is "seven hundred forty-five million, five hundred sixty-six thousand, three hundred fifty-five".