145857286 has 8 divisors (see below), whose sum is σ = 219417480. Its totient is φ = 72718128.

The previous prime is 145857277. The next prime is 145857289. The reversal of 145857286 is 682758541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145857289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104391 + ... + 105778.

It is an arithmetic number, because the mean of its divisors is an integer number (27427185).

Almost surely, 2^145857286 is an apocalyptic number.

145857286 is a deficient number, since it is larger than the sum of its proper divisors (73560194).

145857286 is a wasteful number, since it uses less digits than its factorization.

145857286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210518.

The product of its digits is 537600, while the sum is 46.

The square root of 145857286 is about 12077.1389823915. The cubic root of 145857286 is about 526.3921160663.

The spelling of 145857286 in words is "one hundred forty-five million, eight hundred fifty-seven thousand, two hundred eighty-six".