1145603214 has 48 divisors (see below), whose sum is σ = 2986039680. Its totient is φ = 310087440.

The previous prime is 1145603203. The next prime is 1145603219. The reversal of 1145603214 is 4123065411.

It is a happy number.

1145603214 is a `hidden beast` number, since 1 + 1 + 45 + 603 + 2 + 14 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145603219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236872 + ... + 241659.

It is an arithmetic number, because the mean of its divisors is an integer number (62209160).

Almost surely, 2^1145603214 is an apocalyptic number.

1145603214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1145603214 is an abundant number, since it is smaller than the sum of its proper divisors (1840436466).

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

1145603214 is a wasteful number, since it uses less digits than its factorization.

1145603214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478565 (or 478562 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1145603214 is about 33846.7607608173. The cubic root of 1145603214 is about 1046.3526401618.

Adding to 1145603214 its reverse (4123065411), we get a palindrome (5268668625).

The spelling of 1145603214 in words is "one billion, one hundred forty-five million, six hundred three thousand, two hundred fourteen".