206045454 has 32 divisors (see below), whose sum is σ = 434294784. Its totient is φ = 65040800.

The previous prime is 206045453. The next prime is 206045461. The reversal of 206045454 is 454540602.

It is a super-2 number, since 2×206045454² = 84909458228132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206045453) 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, 6547 + ... + 21329.

It is an arithmetic number, because the mean of its divisors is an integer number (13571712).

Almost surely, 2^206045454 is an apocalyptic number.

206045454 is an abundant number, since it is smaller than the sum of its proper divisors (228249330).

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

206045454 is a wasteful number, since it uses less digits than its factorization.

206045454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14912.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 206045454 is about 14354.2834721905. The cubic root of 206045454 is about 590.6374934565.

The spelling of 206045454 in words is "two hundred six million, forty-five thousand, four hundred fifty-four".