145886403 has 32 divisors (see below), whose sum is σ = 219584512. Its totient is φ = 85536000.

The previous prime is 145886393. The next prime is 145886417. The reversal of 145886403 is 304688541.

It is not a de Polignac number, because 145886403 - 2⁵ = 145886371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145886423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80103 + ... + 81903.

It is an arithmetic number, because the mean of its divisors is an integer number (6862016).

Almost surely, 2^145886403 is an apocalyptic number.

145886403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145886403 is a deficient number, since it is larger than the sum of its proper divisors (73698109).

145886403 is a wasteful number, since it uses less digits than its factorization.

145886403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 145886403 is about 12078.3443815781. The cubic root of 145886403 is about 526.4271410324.

The spelling of 145886403 in words is "one hundred forty-five million, eight hundred eighty-six thousand, four hundred three".