345454545 has 16 divisors (see below), whose sum is σ = 570557952. Its totient is φ = 178298880.

The previous prime is 345454541. The next prime is 345454567. The reversal of 345454545 is 545454543.

345454545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 345454545 - 2² = 345454541 is a prime.

It is a super-2 number, since 2×345454545² = 238677685322314050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

345454545 is a modest number, since divided by 454545 gives 345 as remainder.

It is not an unprimeable number, because it can be changed into a prime (345454541) 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, 370992 + ... + 371921.

It is an arithmetic number, because the mean of its divisors is an integer number (35659872).

Almost surely, 2^345454545 is an apocalyptic number.

It is an amenable number.

345454545 is a deficient number, since it is larger than the sum of its proper divisors (225103407).

345454545 is a wasteful number, since it uses less digits than its factorization.

345454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742952.

The product of its digits is 480000, while the sum is 39.

The square root of 345454545 is about 18586.4075334638. The cubic root of 345454545 is about 701.6657912724.

The spelling of 345454545 in words is "three hundred forty-five million, four hundred fifty-four thousand, five hundred forty-five".