145264531 has 2 divisors, whose sum is σ = 145264532. Its totient is φ = 145264530.

The previous prime is 145264529. The next prime is 145264571. The reversal of 145264531 is 135462541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145264531 - 2¹ = 145264529 is a prime.

It is a super-2 number, since 2×145264531² = 42203567933299922, which contains 22 as substring.

Together with 145264529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145264493 and 145264502.

It is not a weakly prime, because it can be changed into another prime (145264501) 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, 72632265 + 72632266.

It is an arithmetic number, because the mean of its divisors is an integer number (72632266).

Almost surely, 2^145264531 is an apocalyptic number.

145264531 is a deficient number, since it is larger than the sum of its proper divisors (1).

145264531 is an equidigital number, since it uses as much as digits as its factorization.

145264531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 145264531 is about 12052.5736255789. The cubic root of 145264531 is about 525.6780729013.

The spelling of 145264531 in words is "one hundred forty-five million, two hundred sixty-four thousand, five hundred thirty-one".