345001551 has 4 divisors (see below), whose sum is σ = 460002072. Its totient is φ = 230001032.

The previous prime is 345001529. The next prime is 345001583. The reversal of 345001551 is 155100543.

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

It is a cyclic number.

It is not a de Polignac number, because 345001551 - 2⁹ = 345001039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57500256 + ... + 57500261.

It is an arithmetic number, because the mean of its divisors is an integer number (115000518).

Almost surely, 2^345001551 is an apocalyptic number.

345001551 is a deficient number, since it is larger than the sum of its proper divisors (115000521).

345001551 is a wasteful number, since it uses less digits than its factorization.

345001551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115000520.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 345001551 is about 18574.2173724763. The cubic root of 345001551 is about 701.3589593688.

The spelling of 345001551 in words is "three hundred forty-five million, one thousand, five hundred fifty-one".