145727476 has 6 divisors (see below), whose sum is σ = 255023090. Its totient is φ = 72863736.

The previous prime is 145727453. The next prime is 145727503. The reversal of 145727476 is 674727541.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 9771876 = 11660^2 + 3126^2 .

It is a super-2 number, since 2×145727476² = 42472994522661152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18215931 + ... + 18215938.

Almost surely, 2^145727476 is an apocalyptic number.

It is an amenable number.

145727476 is a deficient number, since it is larger than the sum of its proper divisors (109295614).

145727476 is a wasteful number, since it uses less digits than its factorization.

145727476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36431873 (or 36431871 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 145727476 is about 12071.7635828407. The cubic root of 145727476 is about 526.2359103131.

The spelling of 145727476 in words is "one hundred forty-five million, seven hundred twenty-seven thousand, four hundred seventy-six".