355493745 has 32 divisors (see below), whose sum is σ = 653788800. Its totient is φ = 183056832.

The previous prime is 355493729. The next prime is 355493777. The reversal of 355493745 is 547394553.

355493745 is a `hidden beast` number, since 3 + 554 + 93 + 7 + 4 + 5 = 666.

It is not a de Polignac number, because 355493745 - 2⁴ = 355493729 is a prime.

It is a super-3 number, since 3×355493745³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 355493745.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41487 + ... + 49316.

It is an arithmetic number, because the mean of its divisors is an integer number (20430900).

Almost surely, 2^355493745 is an apocalyptic number.

It is an amenable number.

355493745 is a deficient number, since it is larger than the sum of its proper divisors (298295055).

355493745 is a wasteful number, since it uses less digits than its factorization.

355493745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90846 (or 90840 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The square root of 355493745 is about 18854.5417605414. The cubic root of 355493745 is about 708.3979915448.

The spelling of 355493745 in words is "three hundred fifty-five million, four hundred ninety-three thousand, seven hundred forty-five".