145706248 has 16 divisors (see below), whose sum is σ = 276942780. Its totient is φ = 71854848.

The previous prime is 145706221. The next prime is 145706273. The reversal of 145706248 is 842607541.

It can be written as a sum of positive squares in 2 ways, for example, as 132296004 + 13410244 = 11502^2 + 3662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124165 + ... + 125332.

Almost surely, 2^145706248 is an apocalyptic number.

It is an amenable number.

145706248 is a deficient number, since it is larger than the sum of its proper divisors (131236532).

145706248 is a wasteful number, since it uses less digits than its factorization.

145706248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249576 (or 249572 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 145706248 is about 12070.8843089477. The cubic root of 145706248 is about 526.2103569568.

The spelling of 145706248 in words is "one hundred forty-five million, seven hundred six thousand, two hundred forty-eight".