745142451 has 8 divisors (see below), whose sum is σ = 994097040. Its totient is φ = 496474752.

The previous prime is 745142449. The next prime is 745142483. The reversal of 745142451 is 154241547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745142451 - 2¹ = 745142449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745142441) 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 7 ways as a sum of consecutive naturals, for example, 65586 + ... + 76103.

It is an arithmetic number, because the mean of its divisors is an integer number (124262130).

Almost surely, 2^745142451 is an apocalyptic number.

745142451 is a deficient number, since it is larger than the sum of its proper divisors (248954589).

745142451 is a wasteful number, since it uses less digits than its factorization.

745142451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143445.

The product of its digits is 22400, while the sum is 33.

The square root of 745142451 is about 27297.2975035991. The cubic root of 745142451 is about 906.5945458931.

Adding to 745142451 its reverse (154241547), we get a palindrome (899383998).

The spelling of 745142451 in words is "seven hundred forty-five million, one hundred forty-two thousand, four hundred fifty-one".