356780146 has 4 divisors (see below), whose sum is σ = 535170222. Its totient is φ = 178390072.

The previous prime is 356780131. The next prime is 356780161. The reversal of 356780146 is 641087653.

It is a happy number.

356780146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (356780131) and next prime (356780161).

It can be written as a sum of positive squares in only one way, i.e., 346146025 + 10634121 = 18605^2 + 3261^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 356780099 and 356780108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89195035 + ... + 89195038.

Almost surely, 2^356780146 is an apocalyptic number.

356780146 is a deficient number, since it is larger than the sum of its proper divisors (178390076).

356780146 is a wasteful number, since it uses less digits than its factorization.

356780146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178390075.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 356780146 is about 18888.6247778921. The cubic root of 356780146 is about 709.2514401185.

The spelling of 356780146 in words is "three hundred fifty-six million, seven hundred eighty thousand, one hundred forty-six".