145333574 has 12 divisors (see below), whose sum is σ = 219522492. Its totient is φ = 72162900.

The previous prime is 145333553. The next prime is 145333589. The reversal of 145333574 is 475333541.

It is a super-2 number, since 2×145333574² = 42243695463226952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 44009 + ... + 47195.

It is an arithmetic number, because the mean of its divisors is an integer number (18293541).

Almost surely, 2^145333574 is an apocalyptic number.

145333574 is a deficient number, since it is larger than the sum of its proper divisors (74188918).

145333574 is an equidigital number, since it uses as much as digits as its factorization.

145333574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491 (or 3340 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 145333574 is about 12055.4375283521. The cubic root of 145333574 is about 525.7613431539.

The spelling of 145333574 in words is "one hundred forty-five million, three hundred thirty-three thousand, five hundred seventy-four".