145381468 has 12 divisors (see below), whose sum is σ = 254527560. Its totient is φ = 72659312.

The previous prime is 145381451. The next prime is 145381477. The reversal of 145381468 is 864183541.

It is a super-2 number, since 2×145381468² = 42271542475670048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145381468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830 + ... + 17722.

It is an arithmetic number, because the mean of its divisors is an integer number (21210630).

Almost surely, 2^145381468 is an apocalyptic number.

It is an amenable number.

145381468 is a deficient number, since it is larger than the sum of its proper divisors (109146092).

145381468 is a wasteful number, since it uses less digits than its factorization.

145381468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15716 (or 15714 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 145381468 is about 12057.4237712705. The cubic root of 145381468 is about 525.8190908752.

The spelling of 145381468 in words is "one hundred forty-five million, three hundred eighty-one thousand, four hundred sixty-eight".