213454455 has 16 divisors (see below), whose sum is σ = 359502720. Its totient is φ = 107850528.

The previous prime is 213454441. The next prime is 213454469. The reversal of 213454455 is 554454312.

It is an interprime number because it is at equal distance from previous prime (213454441) and next prime (213454469).

It is not a de Polignac number, because 213454455 - 2⁶ = 213454391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374197 + ... + 374766.

It is an arithmetic number, because the mean of its divisors is an integer number (22468920).

Almost surely, 2^213454455 is an apocalyptic number.

213454455 is a deficient number, since it is larger than the sum of its proper divisors (146048265).

213454455 is a wasteful number, since it uses less digits than its factorization.

213454455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748990.

The product of its digits is 48000, while the sum is 33.

The square root of 213454455 is about 14610.0805952602. The cubic root of 213454455 is about 597.6336938157.

The spelling of 213454455 in words is "two hundred thirteen million, four hundred fifty-four thousand, four hundred fifty-five".