345454242 has 16 divisors (see below), whose sum is σ = 789609792. Its totient is φ = 98701200.

The previous prime is 345454231. The next prime is 345454243. The reversal of 345454242 is 242454543.

It is not an unprimeable number, because it can be changed into a prime (345454243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4112509 + ... + 4112592.

It is an arithmetic number, because the mean of its divisors is an integer number (49350612).

Almost surely, 2^345454242 is an apocalyptic number.

345454242 is an abundant number, since it is smaller than the sum of its proper divisors (444155550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345454242 is a wasteful number, since it uses less digits than its factorization.

345454242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225113.

The product of its digits is 76800, while the sum is 33.

The square root of 345454242 is about 18586.3993823441. The cubic root of 345454242 is about 701.6655861275.

It can be divided in two parts, 345454 and 242, that added together give a triangular number (345696 = T₈₃₁).

The spelling of 345454242 in words is "three hundred forty-five million, four hundred fifty-four thousand, two hundred forty-two".