745343146 has 8 divisors (see below), whose sum is σ = 1119063780. Its totient is φ = 372321888.

The previous prime is 745343119. The next prime is 745343149. The reversal of 745343146 is 641343547.

It can be written as a sum of positive squares in 2 ways, for example, as 629457921 + 115885225 = 25089^2 + 10765^2 .

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

It is not an unprimeable number, because it can be changed into a prime (745343149) 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, 172171 + ... + 176446.

Almost surely, 2^745343146 is an apocalyptic number.

745343146 is a deficient number, since it is larger than the sum of its proper divisors (373720634).

745343146 is a wasteful number, since it uses less digits than its factorization.

745343146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349688.

The product of its digits is 120960, while the sum is 37.

The square root of 745343146 is about 27300.9733526114. The cubic root of 745343146 is about 906.6759319687.

The spelling of 745343146 in words is "seven hundred forty-five million, three hundred forty-three thousand, one hundred forty-six".