146321479 has 2 divisors, whose sum is σ = 146321480. Its totient is φ = 146321478.

The previous prime is 146321473. The next prime is 146321503. The reversal of 146321479 is 974123641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146321479 - 2¹⁵ = 146288711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146321473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73160739 + 73160740.

It is an arithmetic number, because the mean of its divisors is an integer number (73160740).

Almost surely, 2^146321479 is an apocalyptic number.

146321479 is a deficient number, since it is larger than the sum of its proper divisors (1).

146321479 is an equidigital number, since it uses as much as digits as its factorization.

146321479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 146321479 is about 12096.3415543709. The cubic root of 146321479 is about 526.9499416558.

The spelling of 146321479 in words is "one hundred forty-six million, three hundred twenty-one thousand, four hundred seventy-nine".