145745464 has 16 divisors (see below), whose sum is σ = 273841200. Its totient is φ = 72721152.

The previous prime is 145745459. The next prime is 145745513. The reversal of 145745464 is 464547541.

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, 14809 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (17115075).

Almost surely, 2^145745464 is an apocalyptic number.

It is an amenable number.

145745464 is a deficient number, since it is larger than the sum of its proper divisors (128095736).

145745464 is a wasteful number, since it uses less digits than its factorization.

145745464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37902 (or 37898 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 145745464 is about 12072.5086042628. The cubic root of 145745464 is about 526.2575615541.

The spelling of 145745464 in words is "one hundred forty-five million, seven hundred forty-five thousand, four hundred sixty-four".