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145025344 = 262266021
BaseRepresentation
bin10001010010011…
…10100101000000
3101002220001101001
420221032211000
5244111302334
622220221344
73410460262
oct1051164500
9332801331
10145025344
1174954762
124069a854
1324079819
1415391b32
15caea714
hex8a4e940

145025344 has 14 divisors (see below), whose sum is σ = 287784794. Its totient is φ = 72512640.

The previous prime is 145025297. The next prime is 145025359. The reversal of 145025344 is 443520541.

It can be written as a sum of positive squares in only one way, i.e., 135489600 + 9535744 = 11640^2 + 3088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132947 + ... + 1133074.

Almost surely, 2145025344 is an apocalyptic number.

It is an amenable number.

145025344 is a deficient number, since it is larger than the sum of its proper divisors (142759450).

145025344 is an equidigital number, since it uses as much as digits as its factorization.

145025344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266033 (or 2266023 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 145025344 is about 12042.6468851329. The cubic root of 145025344 is about 525.3893939560.

Adding to 145025344 its reverse (443520541), we get a palindrome (588545885).

The spelling of 145025344 in words is "one hundred forty-five million, twenty-five thousand, three hundred forty-four".