355942145 has 16 divisors (see below), whose sum is σ = 461719440. Its totient is φ = 261859584.

The previous prime is 355942133. The next prime is 355942159. The reversal of 355942145 is 541249553.

It can be written as a sum of positive squares in 8 ways, for example, as 77986561 + 277955584 = 8831^2 + 16672^2 .

It is a cyclic number.

It is not a de Polignac number, because 355942145 - 2¹² = 355938049 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 355942099 and 355942108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7307 + ... + 27663.

It is an arithmetic number, because the mean of its divisors is an integer number (28857465).

Almost surely, 2^355942145 is an apocalyptic number.

It is an amenable number.

355942145 is a deficient number, since it is larger than the sum of its proper divisors (105777295).

355942145 is a wasteful number, since it uses less digits than its factorization.

355942145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20644.

The product of its digits is 108000, while the sum is 38.

The square root of 355942145 is about 18866.4290473847. The cubic root of 355942145 is about 708.6957109880.

The spelling of 355942145 in words is "three hundred fifty-five million, nine hundred forty-two thousand, one hundred forty-five".