345342554 has 4 divisors (see below), whose sum is σ = 518013834. Its totient is φ = 172671276.

The previous prime is 345342553. The next prime is 345342559. The reversal of 345342554 is 455243543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455243543 = 5783 ⋅78721.

It can be written as a sum of positive squares in only one way, i.e., 251698225 + 93644329 = 15865^2 + 9677^2 .

It is a super-2 number, since 2×345342554² = 238522959206485832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345342553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86335637 + ... + 86335640.

Almost surely, 2^345342554 is an apocalyptic number.

345342554 is a deficient number, since it is larger than the sum of its proper divisors (172671280).

345342554 is a wasteful number, since it uses less digits than its factorization.

345342554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172671279.

The product of its digits is 144000, while the sum is 35.

The square root of 345342554 is about 18583.3945768797. The cubic root of 345342554 is about 701.5899600256.

The spelling of 345342554 in words is "three hundred forty-five million, three hundred forty-two thousand, five hundred fifty-four".