146421703 has 4 divisors (see below), whose sum is σ = 152787888. Its totient is φ = 140055520.

The previous prime is 146421683. The next prime is 146421757. The reversal of 146421703 is 307124641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146421703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146421763) 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, 3183058 + ... + 3183103.

It is an arithmetic number, because the mean of its divisors is an integer number (38196972).

Almost surely, 2^146421703 is an apocalyptic number.

146421703 is a deficient number, since it is larger than the sum of its proper divisors (6366185).

146421703 is an equidigital number, since it uses as much as digits as its factorization.

146421703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366184.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 146421703 is about 12100.4835853779. The cubic root of 146421703 is about 527.0702269748.

The spelling of 146421703 in words is "one hundred forty-six million, four hundred twenty-one thousand, seven hundred three".