214007145 has 16 divisors (see below), whose sum is σ = 373540032. Its totient is φ = 103760960.

The previous prime is 214007137. The next prime is 214007161. The reversal of 214007145 is 541700412.

It is not a de Polignac number, because 214007145 - 2³ = 214007137 is a prime.

It is a super-2 number, since 2×214007145² = 91598116222102050, which contains 22 as substring.

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, 648342 + ... + 648671.

It is an arithmetic number, because the mean of its divisors is an integer number (23346252).

Almost surely, 2^214007145 is an apocalyptic number.

It is an amenable number.

214007145 is a deficient number, since it is larger than the sum of its proper divisors (159532887).

214007145 is a wasteful number, since it uses less digits than its factorization.

214007145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297032.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 214007145 is about 14628.9830473618. The cubic root of 214007145 is about 598.1490597944.

Adding to 214007145 its reverse (541700412), we get a palindrome (755707557).

The spelling of 214007145 in words is "two hundred fourteen million, seven thousand, one hundred forty-five".