145708874 has 16 divisors (see below), whose sum is σ = 220605288. Its totient is φ = 72176832.

The previous prime is 145708859. The next prime is 145708877. The reversal of 145708874 is 478807541.

It can be written as a sum of positive squares in 4 ways, for example, as 70140625 + 75568249 = 8375^2 + 8693^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (145708877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192104 + ... + 192860.

Almost surely, 2^145708874 is an apocalyptic number.

145708874 is a deficient number, since it is larger than the sum of its proper divisors (74896414).

145708874 is a wasteful number, since it uses less digits than its factorization.

145708874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 145708874 is about 12070.9930825927. The cubic root of 145708874 is about 526.2135181575.

The spelling of 145708874 in words is "one hundred forty-five million, seven hundred eight thousand, eight hundred seventy-four".