145274318 has 24 divisors (see below), whose sum is σ = 254582064. Its totient is φ = 61992000.

The previous prime is 145274309. The next prime is 145274329. The reversal of 145274318 is 813472541.

145274318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145274318² = 42209254940730248, 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 in 11 ways as a sum of consecutive naturals, for example, 20543 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (10607586).

Almost surely, 2^145274318 is an apocalyptic number.

145274318 is a deficient number, since it is larger than the sum of its proper divisors (109307746).

145274318 is a wasteful number, since it uses less digits than its factorization.

145274318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408 (or 6401 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 145274318 is about 12052.9796316098. The cubic root of 145274318 is about 525.6898782510.

The spelling of 145274318 in words is "one hundred forty-five million, two hundred seventy-four thousand, three hundred eighteen".