145757286 has 32 divisors (see below), whose sum is σ = 342960480. Its totient is φ = 45727488.

The previous prime is 145757263. The next prime is 145757321. The reversal of 145757286 is 682757541.

145757286 is a `hidden beast` number, since 1 + 4 + 575 + 72 + 8 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78471 + ... + 80306.

It is an arithmetic number, because the mean of its divisors is an integer number (10717515).

Almost surely, 2^145757286 is an apocalyptic number.

145757286 is an abundant number, since it is smaller than the sum of its proper divisors (197203194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145757286 is a wasteful number, since it uses less digits than its factorization.

145757286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158805 (or 158799 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 145757286 is about 12072.9982191666. The cubic root of 145757286 is about 526.2717901243.

The spelling of 145757286 in words is "one hundred forty-five million, seven hundred fifty-seven thousand, two hundred eighty-six".