356645745 has 48 divisors (see below), whose sum is σ = 633569040. Its totient is φ = 185522688.

The previous prime is 356645719. The next prime is 356645747. The reversal of 356645745 is 547546653.

356645745 is a `hidden beast` number, since 3 + 566 + 45 + 7 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 9345249 + 347300496 = 3057^2 + 18636^2 .

It is not a de Polignac number, because 356645745 - 2¹³ = 356637553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 356645745.

It is not an unprimeable number, because it can be changed into a prime (356645747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 545839 + ... + 546491.

It is an arithmetic number, because the mean of its divisors is an integer number (13199355).

Almost surely, 2^356645745 is an apocalyptic number.

It is an amenable number.

356645745 is a deficient number, since it is larger than the sum of its proper divisors (276923295).

356645745 is a wasteful number, since it uses less digits than its factorization.

356645745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 943 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 356645745 is about 18885.0667195009. The cubic root of 356645745 is about 709.1623693223.

The spelling of 356645745 in words is "three hundred fifty-six million, six hundred forty-five thousand, seven hundred forty-five".