145743124 has 12 divisors (see below), whose sum is σ = 256000500. Its totient is φ = 72600128.

The previous prime is 145743089. The next prime is 145743127. The reversal of 145743124 is 421347541.

It can be written as a sum of positive squares in 2 ways, for example, as 89643024 + 56100100 = 9468^2 + 7490^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145743127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66649 + ... + 68800.

It is an arithmetic number, because the mean of its divisors is an integer number (21333375).

Almost surely, 2^145743124 is an apocalyptic number.

It is an amenable number.

145743124 is a deficient number, since it is larger than the sum of its proper divisors (110257376).

145743124 is a wasteful number, since it uses less digits than its factorization.

145743124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135722 (or 135720 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 145743124 is about 12072.4116894679. The cubic root of 145743124 is about 526.2547451159.

The spelling of 145743124 in words is "one hundred forty-five million, seven hundred forty-three thousand, one hundred twenty-four".