145712074 has 4 divisors (see below), whose sum is σ = 218568114. Its totient is φ = 72856036.

The previous prime is 145712041. The next prime is 145712081. The reversal of 145712074 is 470217541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470217541 = 643 ⋅731287.

It can be written as a sum of positive squares in only one way, i.e., 125596849 + 20115225 = 11207^2 + 4485^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36428017 + ... + 36428020.

Almost surely, 2^145712074 is an apocalyptic number.

145712074 is a deficient number, since it is larger than the sum of its proper divisors (72856040).

145712074 is an equidigital number, since it uses as much as digits as its factorization.

145712074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72856039.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 145712074 is about 12071.1256310255. The cubic root of 145712074 is about 526.2173702929.

It can be divided in two parts, 1457 and 12074, that added together give a palindrome (13531).

The spelling of 145712074 in words is "one hundred forty-five million, seven hundred twelve thousand, seventy-four".