747052145 has 8 divisors (see below), whose sum is σ = 1024528704. Its totient is φ = 512264304.

The previous prime is 747052129. The next prime is 747052147. The reversal of 747052145 is 541250747.

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

It is a cyclic number.

It is not a de Polignac number, because 747052145 - 2⁴ = 747052129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 21344347 = 747052145 / (7 + 4 + 7 + 0 + 5 + 2 + 1 + 4 + 5).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747052147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10672139 + ... + 10672208.

It is an arithmetic number, because the mean of its divisors is an integer number (128066088).

Almost surely, 2^747052145 is an apocalyptic number.

It is an amenable number.

747052145 is a deficient number, since it is larger than the sum of its proper divisors (277476559).

747052145 is a wasteful number, since it uses less digits than its factorization.

747052145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21344359.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 747052145 is about 27332.2546636753. The cubic root of 747052145 is about 907.3683761068.

The spelling of 747052145 in words is "seven hundred forty-seven million, fifty-two thousand, one hundred forty-five".