146911903 has 4 divisors (see below), whose sum is σ = 147559320. Its totient is φ = 146264488.

The previous prime is 146911889. The next prime is 146911931. The reversal of 146911903 is 309119641.

It is a happy number.

146911903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309119641 = 443 ⋅697787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146911903 is a prime.

It is a super-3 number, since 3×146911903³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146911103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323368 + ... + 323821.

It is an arithmetic number, because the mean of its divisors is an integer number (36889830).

Almost surely, 2^146911903 is an apocalyptic number.

146911903 is a deficient number, since it is larger than the sum of its proper divisors (647417).

146911903 is an equidigital number, since it uses as much as digits as its factorization.

146911903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647416.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 146911903 is about 12120.7220494490. The cubic root of 146911903 is about 527.6577583448.

The spelling of 146911903 in words is "one hundred forty-six million, nine hundred eleven thousand, nine hundred three".