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145057411 = 571254041
BaseRepresentation
bin10001010010101…
…10011010000011
3101002221200100201
420221112122003
5244113314121
622221030031
73410652622
oct1051263203
9332850321
10145057411
1174976864
12406b5317
132408b2b5
141539d6b9
15cb04e91
hex8a56683

145057411 has 4 divisors (see below), whose sum is σ = 145312024. Its totient is φ = 144802800.

The previous prime is 145057403. The next prime is 145057489. The reversal of 145057411 is 114750541.

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

It is a cyclic number.

It is not a de Polignac number, because 145057411 - 23 = 145057403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145057411.

It is not an unprimeable number, because it can be changed into a prime (145058411) 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, 126450 + ... + 127591.

It is an arithmetic number, because the mean of its divisors is an integer number (36328006).

Almost surely, 2145057411 is an apocalyptic number.

145057411 is a deficient number, since it is larger than the sum of its proper divisors (254613).

145057411 is an equidigital number, since it uses as much as digits as its factorization.

145057411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254612.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 145057411 is about 12043.9782048956. The cubic root of 145057411 is about 525.4281145907.

The spelling of 145057411 in words is "one hundred forty-five million, fifty-seven thousand, four hundred eleven".

Divisors: 1 571 254041 145057411