354681149 has 8 divisors (see below), whose sum is σ = 385695288. Its totient is φ = 324794880.

The previous prime is 354681127. The next prime is 354681169. The reversal of 354681149 is 941186453.

It can be written as a sum of positive squares in 4 ways, for example, as 133564249 + 221116900 = 11557^2 + 14870^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-354681149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354681169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281312 + ... + 282569.

It is an arithmetic number, because the mean of its divisors is an integer number (48211911).

Almost surely, 2^354681149 is an apocalyptic number.

It is an amenable number.

354681149 is a deficient number, since it is larger than the sum of its proper divisors (31014139).

354681149 is a wasteful number, since it uses less digits than its factorization.

354681149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563935.

The product of its digits is 103680, while the sum is 41.

The square root of 354681149 is about 18832.9803536243. The cubic root of 354681149 is about 707.8578221371.

The spelling of 354681149 in words is "three hundred fifty-four million, six hundred eighty-one thousand, one hundred forty-nine".