145226479 has 2 divisors, whose sum is σ = 145226480. Its totient is φ = 145226478.

The previous prime is 145226467. The next prime is 145226483. The reversal of 145226479 is 974622541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145226479 - 2⁹ = 145225967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145226429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72613239 + 72613240.

It is an arithmetic number, because the mean of its divisors is an integer number (72613240).

Almost surely, 2^145226479 is an apocalyptic number.

145226479 is a deficient number, since it is larger than the sum of its proper divisors (1).

145226479 is an equidigital number, since it uses as much as digits as its factorization.

145226479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 145226479 is about 12050.9949381783. The cubic root of 145226479 is about 525.6321684887.

The spelling of 145226479 in words is "one hundred forty-five million, two hundred twenty-six thousand, four hundred seventy-nine".