945729140 has 12 divisors (see below), whose sum is σ = 1986031236. Its totient is φ = 378291648.

The previous prime is 945729131. The next prime is 945729151. The reversal of 945729140 is 41927549.

It can be written as a sum of positive squares in 2 ways, for example, as 211644304 + 734084836 = 14548^2 + 27094^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23643209 + ... + 23643248.

It is an arithmetic number, because the mean of its divisors is an integer number (165502603).

Almost surely, 2^945729140 is an apocalyptic number.

It is an amenable number.

945729140 is an abundant number, since it is smaller than the sum of its proper divisors (1040302096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945729140 is a wasteful number, since it uses less digits than its factorization.

945729140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47286466 (or 47286464 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 945729140 is about 30752.7094741260. The cubic root of 945729140 is about 981.5722160335.

The spelling of 945729140 in words is "nine hundred forty-five million, seven hundred twenty-nine thousand, one hundred forty".