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145629301 = 971501333
BaseRepresentation
bin10001010111000…
…10000001110101
3101011000201211211
420223202001311
5244240114201
622241201421
73415554136
oct1053420165
9334021754
10145629301
11752274a4
1240930271
132422b6ac
14154abc8d
15cbb9651
hex8ae2075

145629301 has 4 divisors (see below), whose sum is σ = 147130732. Its totient is φ = 144127872.

The previous prime is 145629283. The next prime is 145629313. The reversal of 145629301 is 103926541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25704900 + 119924401 = 5070^2 + 10951^2 .

It is a cyclic number.

It is not a de Polignac number, because 145629301 - 25 = 145629269 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145629371) 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, 750570 + ... + 750763.

It is an arithmetic number, because the mean of its divisors is an integer number (36782683).

Almost surely, 2145629301 is an apocalyptic number.

It is an amenable number.

145629301 is a deficient number, since it is larger than the sum of its proper divisors (1501431).

145629301 is an equidigital number, since it uses as much as digits as its factorization.

145629301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501430.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 145629301 is about 12067.6965904849. The cubic root of 145629301 is about 526.1177106482.

The spelling of 145629301 in words is "one hundred forty-five million, six hundred twenty-nine thousand, three hundred one".

Divisors: 1 97 1501333 145629301