214804545 has 32 divisors (see below), whose sum is σ = 351267840. Its totient is φ = 112056000.

The previous prime is 214804531. The next prime is 214804547. The reversal of 214804545 is 545408412.

It is a happy number.

It is not a de Polignac number, because 214804545 - 2⁴ = 214804529 is a prime.

It is a super-3 number, since 3×214804545³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (214804547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221652 + ... + 222618.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^214804545 is an apocalyptic number.

It is an amenable number.

214804545 is a deficient number, since it is larger than the sum of its proper divisors (136463295).

214804545 is a wasteful number, since it uses less digits than its factorization.

214804545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 214804545 is about 14656.2118229780. The cubic root of 214804545 is about 598.8910488639.

The spelling of 214804545 in words is "two hundred fourteen million, eight hundred four thousand, five hundred forty-five".