354145055403 has 16 divisors (see below), whose sum is σ = 483204877056. Its totient is φ = 230591655840.

The previous prime is 354145055389. The next prime is 354145055419. The reversal of 354145055403 is 304550541453.

It is a happy number.

It is not a de Polignac number, because 354145055403 - 2²⁶ = 354077946539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354145055423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224018 + ... + 2377928.

It is an arithmetic number, because the mean of its divisors is an integer number (30200304816).

Almost surely, 2^354145055403 is an apocalyptic number.

354145055403 is a deficient number, since it is larger than the sum of its proper divisors (129059821653).

354145055403 is a wasteful number, since it uses less digits than its factorization.

354145055403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171794.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 354145055403 its reverse (304550541453), we get a palindrome (658695596856).

The spelling of 354145055403 in words is "three hundred fifty-four billion, one hundred forty-five million, fifty-five thousand, four hundred three".