145968392 has 16 divisors (see below), whose sum is σ = 289790460. Its totient is φ = 68690944.

The previous prime is 145968377. The next prime is 145968401. The reversal of 145968392 is 293869541.

It can be written as a sum of positive squares in 2 ways, for example, as 107453956 + 38514436 = 10366^2 + 6206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536513 + ... + 536784.

Almost surely, 2^145968392 is an apocalyptic number.

It is an amenable number.

145968392 is a deficient number, since it is larger than the sum of its proper divisors (143822068).

145968392 is a wasteful number, since it uses less digits than its factorization.

145968392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073320 (or 1073316 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 145968392 is about 12081.7379544501. The cubic root of 145968392 is about 526.5257409267.

The spelling of 145968392 in words is "one hundred forty-five million, nine hundred sixty-eight thousand, three hundred ninety-two".