145424459 has 2 divisors, whose sum is σ = 145424460. Its totient is φ = 145424458.

The previous prime is 145424429. The next prime is 145424483. The reversal of 145424459 is 954424541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145424459 - 2¹⁶ = 145358923 is a prime.

It is a super-2 number, since 2×145424459² = 42296546550885362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145424429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72712229 + 72712230.

It is an arithmetic number, because the mean of its divisors is an integer number (72712230).

Almost surely, 2^145424459 is an apocalyptic number.

145424459 is a deficient number, since it is larger than the sum of its proper divisors (1).

145424459 is an equidigital number, since it uses as much as digits as its factorization.

145424459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 38.

The square root of 145424459 is about 12059.2064000912. The cubic root of 145424459 is about 525.8709160516.

The spelling of 145424459 in words is "one hundred forty-five million, four hundred twenty-four thousand, four hundred fifty-nine".