1145525403 has 16 divisors (see below), whose sum is σ = 1669205376. Its totient is φ = 693013440.

The previous prime is 1145525387. The next prime is 1145525429. The reversal of 1145525403 is 3045255411.

It is not a de Polignac number, because 1145525403 - 2⁴ = 1145525387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145525473) 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, 12250 + ... + 49407.

It is an arithmetic number, because the mean of its divisors is an integer number (104325336).

Almost surely, 2^1145525403 is an apocalyptic number.

1145525403 is a deficient number, since it is larger than the sum of its proper divisors (523679973).

1145525403 is a wasteful number, since it uses less digits than its factorization.

1145525403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62234.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1145525403 is about 33845.6112812282. The cubic root of 1145525403 is about 1046.3289497055.

The spelling of 1145525403 in words is "one billion, one hundred forty-five million, five hundred twenty-five thousand, four hundred three".