145469479 has 2 divisors, whose sum is σ = 145469480. Its totient is φ = 145469478.

The previous prime is 145469461. The next prime is 145469497. The reversal of 145469479 is 974964541.

Together with next prime (145469497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (145469461) and next prime (145469497).

It is a cyclic number.

It is not a de Polignac number, because 145469479 - 2⁵ = 145469447 is a prime.

It is a super-2 number, since 2×145469479² = 42322738641062882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145469179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72734739 + 72734740.

It is an arithmetic number, because the mean of its divisors is an integer number (72734740).

Almost surely, 2^145469479 is an apocalyptic number.

145469479 is a deficient number, since it is larger than the sum of its proper divisors (1).

145469479 is an equidigital number, since it uses as much as digits as its factorization.

145469479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 145469479 is about 12061.0728793089. The cubic root of 145469479 is about 525.9251762179.

It can be divided in two parts, 14546 and 9479, that added together give a square (24025 = 155²).

The spelling of 145469479 in words is "one hundred forty-five million, four hundred sixty-nine thousand, four hundred seventy-nine".