145271466 has 12 divisors (see below), whose sum is σ = 314754882. Its totient is φ = 48423816.

The previous prime is 145271459. The next prime is 145271471. The reversal of 145271466 is 664172541.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 35462025 = 10479^2 + 5955^2 .

It is a super-2 number, since 2×145271466² = 42207597667578312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 145271466.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4035301 + ... + 4035336.

Almost surely, 2^145271466 is an apocalyptic number.

145271466 is an abundant number, since it is smaller than the sum of its proper divisors (169483416).

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

145271466 is a wasteful number, since it uses less digits than its factorization.

145271466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070645 (or 8070642 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 145271466 is about 12052.8613200352. The cubic root of 145271466 is about 525.6864381445.

The spelling of 145271466 in words is "one hundred forty-five million, two hundred seventy-one thousand, four hundred sixty-six".