345672451 has 16 divisors (see below), whose sum is σ = 371340288. Its totient is φ = 321006400.

The previous prime is 345672443. The next prime is 345672461. The reversal of 345672451 is 154276543.

It is not a de Polignac number, because 345672451 - 2³ = 345672443 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 345672451.

It is not an unprimeable number, because it can be changed into a prime (345672461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140391 + ... + 142831.

It is an arithmetic number, because the mean of its divisors is an integer number (23208768).

Almost surely, 2^345672451 is an apocalyptic number.

345672451 is a deficient number, since it is larger than the sum of its proper divisors (25667837).

345672451 is a wasteful number, since it uses less digits than its factorization.

345672451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642.

The product of its digits is 100800, while the sum is 37.

The square root of 345672451 is about 18592.2685813216. The cubic root of 345672451 is about 701.8132926357.

The spelling of 345672451 in words is "three hundred forty-five million, six hundred seventy-two thousand, four hundred fifty-one".