145856297 has 8 divisors (see below), whose sum is σ = 147690816. Its totient is φ = 144033552.

The previous prime is 145856287. The next prime is 145856299. The reversal of 145856297 is 792658541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145856297 - 2¹⁰ = 145855273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145856299) 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 7 ways as a sum of consecutive naturals, for example, 23438 + ... + 29000.

It is an arithmetic number, because the mean of its divisors is an integer number (18461352).

Almost surely, 2^145856297 is an apocalyptic number.

It is an amenable number.

145856297 is a deficient number, since it is larger than the sum of its proper divisors (1834519).

145856297 is a wasteful number, since it uses less digits than its factorization.

145856297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887.

The product of its digits is 604800, while the sum is 47.

The square root of 145856297 is about 12077.0980371942. The cubic root of 145856297 is about 526.3909263121.

The spelling of 145856297 in words is "one hundred forty-five million, eight hundred fifty-six thousand, two hundred ninety-seven".