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145150311 = 348383437
BaseRepresentation
bin10001010011011…
…01000101100111
3101010010101210110
420221231011213
5244124302221
622223024103
73411520515
oct1051550547
9333111713
10145150311
1174a2a639
124073b033
13240c1677
14153c54b5
15cb22776
hex8a6d167

145150311 has 4 divisors (see below), whose sum is σ = 193533752. Its totient is φ = 96766872.

The previous prime is 145150303. The next prime is 145150321. The reversal of 145150311 is 113051541.

It is a happy number.

145150311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145150311 - 23 = 145150303 is a prime.

It is a super-2 number, since 2×1451503112 = 42137225566793442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145150321) 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, 24191716 + ... + 24191721.

It is an arithmetic number, because the mean of its divisors is an integer number (48383438).

Almost surely, 2145150311 is an apocalyptic number.

145150311 is a deficient number, since it is larger than the sum of its proper divisors (48383441).

145150311 is an equidigital number, since it uses as much as digits as its factorization.

145150311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48383440.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 145150311 is about 12047.8342867090. The cubic root of 145150311 is about 525.5402583616.

The spelling of 145150311 in words is "one hundred forty-five million, one hundred fifty thousand, three hundred eleven".

Divisors: 1 3 48383437 145150311