145234384 has 10 divisors (see below), whose sum is σ = 281391650. Its totient is φ = 72617184.

The previous prime is 145234381. The next prime is 145234399. The reversal of 145234384 is 483432541.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 47224384 = 9900^2 + 6872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145234381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4538559 + ... + 4538590.

It is an arithmetic number, because the mean of its divisors is an integer number (28139165).

Almost surely, 2^145234384 is an apocalyptic number.

It is an amenable number.

145234384 is a deficient number, since it is larger than the sum of its proper divisors (136157266).

145234384 is an equidigital number, since it uses as much as digits as its factorization.

145234384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077157 (or 9077151 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 145234384 is about 12051.3229149334. The cubic root of 145234384 is about 525.6417054247.

The spelling of 145234384 in words is "one hundred forty-five million, two hundred thirty-four thousand, three hundred eighty-four".