145263339 has 24 divisors (see below), whose sum is σ = 226891392. Its totient is φ = 89026560.

The previous prime is 145263329. The next prime is 145263347. The reversal of 145263339 is 933362541.

It is a happy number.

145263339 is a `hidden beast` number, since 14 + 5 + 2 + 633 + 3 + 9 = 666.

It is not a de Polignac number, because 145263339 - 2¹³ = 145255147 is a prime.

It is a super-2 number, since 2×145263339² = 42202875314857842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145263329) 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 in 23 ways as a sum of consecutive naturals, for example, 27654 + ... + 32484.

It is an arithmetic number, because the mean of its divisors is an integer number (9453808).

Almost surely, 2^145263339 is an apocalyptic number.

145263339 is a deficient number, since it is larger than the sum of its proper divisors (81628053).

145263339 is a wasteful number, since it uses less digits than its factorization.

145263339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107 (or 5104 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 145263339 is about 12052.5241754580. The cubic root of 145263339 is about 525.6766350417.

The spelling of 145263339 in words is "one hundred forty-five million, two hundred sixty-three thousand, three hundred thirty-nine".