345401507 has 8 divisors (see below), whose sum is σ = 385992432. Its totient is φ = 306342400.

The previous prime is 345401503. The next prime is 345401521. The reversal of 345401507 is 705104543.

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

It is a cyclic number.

It is not a de Polignac number, because 345401507 - 2² = 345401503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345401507.

It is not an unprimeable number, because it can be changed into a prime (345401503) 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 7 ways as a sum of consecutive naturals, for example, 382478 + ... + 383379.

It is an arithmetic number, because the mean of its divisors is an integer number (48249054).

Almost surely, 2^345401507 is an apocalyptic number.

345401507 is a deficient number, since it is larger than the sum of its proper divisors (40590925).

345401507 is a wasteful number, since it uses less digits than its factorization.

345401507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765909.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 345401507 is about 18584.9806833367. The cubic root of 345401507 is about 701.6298802720.

The spelling of 345401507 in words is "three hundred forty-five million, four hundred one thousand, five hundred seven".