145266574 has 12 divisors (see below), whose sum is σ = 227787336. Its totient is φ = 69474812.

The previous prime is 145266557. The next prime is 145266593. The reversal of 145266574 is 475662541.

It is a happy number.

It is a super-2 number, since 2×145266574² = 42204755043394952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67594 + ... + 69709.

It is an arithmetic number, because the mean of its divisors is an integer number (18982278).

Almost surely, 2^145266574 is an apocalyptic number.

145266574 is a deficient number, since it is larger than the sum of its proper divisors (82520762).

145266574 is a wasteful number, since it uses less digits than its factorization.

145266574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137351 (or 137328 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 145266574 is about 12052.6583789635. The cubic root of 145266574 is about 525.6805372681.

The spelling of 145266574 in words is "one hundred forty-five million, two hundred sixty-six thousand, five hundred seventy-four".