345413403 has 20 divisors (see below), whose sum is σ = 533784240. Its totient is φ = 222333552.

The previous prime is 345413363. The next prime is 345413437. The reversal of 345413403 is 304314543.

It is not a de Polignac number, because 345413403 - 2¹² = 345409307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (345413473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71175 + ... + 75872.

It is an arithmetic number, because the mean of its divisors is an integer number (26689212).

Almost surely, 2^345413403 is an apocalyptic number.

345413403 is a deficient number, since it is larger than the sum of its proper divisors (188370837).

345413403 is a wasteful number, since it uses less digits than its factorization.

345413403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147088 (or 147079 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 345413403 is about 18585.3007239592. The cubic root of 345413403 is about 701.6379351425.

Adding to 345413403 its reverse (304314543), we get a palindrome (649727946).

The spelling of 345413403 in words is "three hundred forty-five million, four hundred thirteen thousand, four hundred three".